71556660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 288

約数和(自身を含む): 270816000

約数和(自身を除く): 199259340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 61, 63, 70, 76, 84, 90, 95, 98, 105, 114, 122, 126, 133, 140, 147, 171, 180, 183, 190, 196, 210, 228, 244, 245, 252, 266, 285, 294, 305, 315, 342, 343, 366, 380, 399, 420, 427, 441, 490, 532, 549, 570, 588, 610, 630, 665, 684, 686, 732, 735, 798, 854, 855, 882, 915, 931, 980, 1029, 1098, 1140, 1159, 1197, 1220, 1260, 1281, 1330, 1372, 1470, 1596, 1708, 1710, 1715, 1764, 1830, 1862, 1995, 2058, 2135, 2196, 2205, 2318, 2394, 2562, 2660, 2745, 2793, 2940, 2989, 3087, 3420, 3430, 3477, 3660, 3724, 3843, 3990, 4116, 4270, 4410, 4636, 4655, 4788, 5124, 5145, 5490, 5586, 5795, 5978, 5985, 6174, 6405, 6517, 6860, 6954, 7686, 7980, 8113, 8379, 8540, 8820, 8967, 9310, 10290, 10431, 10980, 11172, 11590, 11956, 11970, 12348, 12810, 13034, 13908, 13965, 14945, 15372, 15435, 16226, 16758, 17385, 17934, 18620, 19215, 19551, 20580, 20862, 20923, 23180, 23940, 24339, 25620, 26068, 26901, 27930, 29890, 30870, 32452, 32585, 33516, 34770, 35868, 38430, 39102, 40565, 41724, 41846, 41895, 44835, 48678, 52155, 53802, 55860, 56791, 58653, 59780, 61740, 62769, 65170, 69540, 73017, 76860, 78204, 81130, 83692, 83790, 89670, 97356, 97755, 104310, 104615, 107604, 113582, 117306, 121695, 125538, 130340, 134505, 146034, 162260, 167580, 170373, 179340, 188307, 195510, 208620, 209230, 227164, 234612, 243390, 251076, 269010, 283955, 292068, 293265, 313845, 340746, 365085, 376614, 391020, 397537, 418460, 486780, 511119, 538020, 567910, 586530, 627690, 681492, 730170, 753228, 795074, 851865, 941535, 1022238, 1135820, 1173060, 1192611, 1255380, 1460340, 1590148, 1703730, 1883070, 1987685, 2044476, 2385222, 2555595, 3407460, 3577833, 3766140, 3975370, 4770444, 5111190, 5963055, 7155666, 7950740, 10222380, 11926110, 14311332, 17889165, 23852220, 35778330, 71556660]

約数ペア:

[(1, 71556660), (2, 35778330), (3, 23852220), (4, 17889165), (5, 14311332), (6, 11926110), (7, 10222380), (9, 7950740), (10, 7155666), (12, 5963055), (14, 5111190), (15, 4770444), (18, 3975370), (19, 3766140), (20, 3577833), (21, 3407460), (28, 2555595), (30, 2385222), (35, 2044476), (36, 1987685), (38, 1883070), (42, 1703730), (45, 1590148), (49, 1460340), (57, 1255380), (60, 1192611), (61, 1173060), (63, 1135820), (70, 1022238), (76, 941535), (84, 851865), (90, 795074), (95, 753228), (98, 730170), (105, 681492), (114, 627690), (122, 586530), (126, 567910), (133, 538020), (140, 511119), (147, 486780), (171, 418460), (180, 397537), (183, 391020), (190, 376614), (196, 365085), (210, 340746), (228, 313845), (244, 293265), (245, 292068), (252, 283955), (266, 269010), (285, 251076), (294, 243390), (305, 234612), (315, 227164), (342, 209230), (343, 208620), (366, 195510), (380, 188307), (399, 179340), (420, 170373), (427, 167580), (441, 162260), (490, 146034), (532, 134505), (549, 130340), (570, 125538), (588, 121695), (610, 117306), (630, 113582), (665, 107604), (684, 104615), (686, 104310), (732, 97755), (735, 97356), (798, 89670), (854, 83790), (855, 83692), (882, 81130), (915, 78204), (931, 76860), (980, 73017), (1029, 69540), (1098, 65170), (1140, 62769), (1159, 61740), (1197, 59780), (1220, 58653), (1260, 56791), (1281, 55860), (1330, 53802), (1372, 52155), (1470, 48678), (1596, 44835), (1708, 41895), (1710, 41846), (1715, 41724), (1764, 40565), (1830, 39102), (1862, 38430), (1995, 35868), (2058, 34770), (2135, 33516), (2196, 32585), (2205, 32452), (2318, 30870), (2394, 29890), (2562, 27930), (2660, 26901), (2745, 26068), (2793, 25620), (2940, 24339), (2989, 23940), (3087, 23180), (3420, 20923), (3430, 20862), (3477, 20580), (3660, 19551), (3724, 19215), (3843, 18620), (3990, 17934), (4116, 17385), (4270, 16758), (4410, 16226), (4636, 15435), (4655, 15372), (4788, 14945), (5124, 13965), (5145, 13908), (5490, 13034), (5586, 12810), (5795, 12348), (5978, 11970), (5985, 11956), (6174, 11590), (6405, 11172), (6517, 10980), (6860, 10431), (6954, 10290), (7686, 9310), (7980, 8967), (8113, 8820), (8379, 8540)]