About the Number

1881430920

1881430919 ← → 1881430921

2進数表記:1110000001001000101101110001000

漢数字表記:十八億八千百四十三万九百二十

素因数分解:

2 3 × 3 2 × 5 1 × 19 2 × 31 1 × 467 1

素因数の和:553
約数の個数: 288
約数和(自身を含む): 6675851520
約数和(自身を除く): 4794420600

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 57, 60, 62, 72, 76, 90, 93, 95, 114, 120, 124, 152, 155, 171, 180, 186, 190, 228, 248, 279, 285, 310, 342, 360, 361, 372, 380, 456, 465, 467, 558, 570, 589, 620, 684, 722, 744, 760, 855, 930, 934, 1083, 1116, 1140, 1178, 1240, 1368, 1395, 1401, 1444, 1710, 1767, 1805, 1860, 1868, 2166, 2232, 2280, 2335, 2356, 2790, 2802, 2888, 2945, 3249, 3420, 3534, 3610, 3720, 3736, 4203, 4332, 4670, 4712, 5301, 5415, 5580, 5604, 5890, 6498, 6840, 7005, 7068, 7220, 8406, 8664, 8835, 8873, 9340, 10602, 10830, 11160, 11191, 11208, 11780, 12996, 14010, 14136, 14440, 14477, 16245, 16812, 17670, 17746, 18680, 21015, 21204, 21660, 22382, 23560, 25992, 26505, 26619, 28020, 28954, 32490, 33573, 33624, 35340, 35492, 42030, 42408, 43320, 43431, 44365, 44764, 53010, 53238, 55955, 56040, 57908, 64980, 67146, 70680, 70984, 72385, 79857, 84060, 86862, 88730, 89528, 100719, 106020, 106476, 111910, 115816, 129960, 130293, 133095, 134292, 144770, 159714, 167865, 168120, 168587, 173724, 177460, 201438, 212040, 212952, 217155, 223820, 260586, 266190, 268584, 275063, 289540, 319428, 335730, 337174, 347448, 354920, 399285, 402876, 434310, 447640, 503595, 505761, 521172, 532380, 550126, 579080, 638856, 651465, 671460, 674348, 798570, 805752, 825189, 842935, 868620, 1007190, 1011522, 1042344, 1064760, 1100252, 1302930, 1342920, 1348696, 1375315, 1517283, 1597140, 1650378, 1685870, 1737240, 2014380, 2023044, 2200504, 2475567, 2528805, 2605860, 2750630, 3034566, 3194280, 3300756, 3371740, 4028760, 4046088, 4125945, 4951134, 5057610, 5211720, 5226197, 5501260, 6069132, 6601512, 6743480, 7586415, 8251890, 9902268, 10115220, 10452394, 11002520, 12138264, 12377835, 15172830, 15678591, 16503780, 19804536, 20230440, 20904788, 24755670, 26130985, 30345660, 31357182, 33007560, 41809576, 47035773, 49511340, 52261970, 60691320, 62714364, 78392955, 94071546, 99022680, 104523940, 125428728, 156785910, 188143092, 209047880, 235178865, 313571820, 376286184, 470357730, 627143640, 940715460, 1881430920]

約数ペア:
[(1, 1881430920), (2, 940715460), (3, 627143640), (4, 470357730), (5, 376286184), (6, 313571820), (8, 235178865), (9, 209047880), (10, 188143092), (12, 156785910), (15, 125428728), (18, 104523940), (19, 99022680), (20, 94071546), (24, 78392955), (30, 62714364), (31, 60691320), (36, 52261970), (38, 49511340), (40, 47035773), (45, 41809576), (57, 33007560), (60, 31357182), (62, 30345660), (72, 26130985), (76, 24755670), (90, 20904788), (93, 20230440), (95, 19804536), (114, 16503780), (120, 15678591), (124, 15172830), (152, 12377835), (155, 12138264), (171, 11002520), (180, 10452394), (186, 10115220), (190, 9902268), (228, 8251890), (248, 7586415), (279, 6743480), (285, 6601512), (310, 6069132), (342, 5501260), (360, 5226197), (361, 5211720), (372, 5057610), (380, 4951134), (456, 4125945), (465, 4046088), (467, 4028760), (558, 3371740), (570, 3300756), (589, 3194280), (620, 3034566), (684, 2750630), (722, 2605860), (744, 2528805), (760, 2475567), (855, 2200504), (930, 2023044), (934, 2014380), (1083, 1737240), (1116, 1685870), (1140, 1650378), (1178, 1597140), (1240, 1517283), (1368, 1375315), (1395, 1348696), (1401, 1342920), (1444, 1302930), (1710, 1100252), (1767, 1064760), (1805, 1042344), (1860, 1011522), (1868, 1007190), (2166, 868620), (2232, 842935), (2280, 825189), (2335, 805752), (2356, 798570), (2790, 674348), (2802, 671460), (2888, 651465), (2945, 638856), (3249, 579080), (3420, 550126), (3534, 532380), (3610, 521172), (3720, 505761), (3736, 503595), (4203, 447640), (4332, 434310), (4670, 402876), (4712, 399285), (5301, 354920), (5415, 347448), (5580, 337174), (5604, 335730), (5890, 319428), (6498, 289540), (6840, 275063), (7005, 268584), (7068, 266190), (7220, 260586), (8406, 223820), (8664, 217155), (8835, 212952), (8873, 212040), (9340, 201438), (10602, 177460), (10830, 173724), (11160, 168587), (11191, 168120), (11208, 167865), (11780, 159714), (12996, 144770), (14010, 134292), (14136, 133095), (14440, 130293), (14477, 129960), (16245, 115816), (16812, 111910), (17670, 106476), (17746, 106020), (18680, 100719), (21015, 89528), (21204, 88730), (21660, 86862), (22382, 84060), (23560, 79857), (25992, 72385), (26505, 70984), (26619, 70680), (28020, 67146), (28954, 64980), (32490, 57908), (33573, 56040), (33624, 55955), (35340, 53238), (35492, 53010), (42030, 44764), (42408, 44365), (43320, 43431)]

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