28076697480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{55721}}^1$

素因数の和:55784

約数の個数: 256

約数和(自身を含む): 101101996800

約数和(自身を除く): 73025299320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 19, 20, 24, 26, 30, 34, 38, 39, 40, 51, 52, 57, 60, 65, 68, 76, 78, 85, 95, 102, 104, 114, 120, 130, 136, 152, 156, 170, 190, 195, 204, 221, 228, 247, 255, 260, 285, 312, 323, 340, 380, 390, 408, 442, 456, 494, 510, 520, 570, 646, 663, 680, 741, 760, 780, 884, 969, 988, 1020, 1105, 1140, 1235, 1292, 1326, 1482, 1560, 1615, 1768, 1938, 1976, 2040, 2210, 2280, 2470, 2584, 2652, 2964, 3230, 3315, 3705, 3876, 4199, 4420, 4845, 4940, 5304, 5928, 6460, 6630, 7410, 7752, 8398, 8840, 9690, 9880, 12597, 12920, 13260, 14820, 16796, 19380, 20995, 25194, 26520, 29640, 33592, 38760, 41990, 50388, 55721, 62985, 83980, 100776, 111442, 125970, 167163, 167960, 222884, 251940, 278605, 334326, 445768, 503880, 557210, 668652, 724373, 835815, 947257, 1058699, 1114420, 1337304, 1448746, 1671630, 1894514, 2117398, 2173119, 2228840, 2841771, 2897492, 3176097, 3343260, 3621865, 3789028, 4234796, 4346238, 4736285, 5293495, 5683542, 5794984, 6352194, 6686520, 7243730, 7578056, 8469592, 8692476, 9472570, 10586990, 10865595, 11367084, 12314341, 12704388, 13763087, 14208855, 14487460, 15880485, 17384952, 17997883, 18945140, 21173980, 21731190, 22734168, 24628682, 25408776, 27526174, 28417710, 28974920, 31760970, 35995766, 36943023, 37890280, 41289261, 42347960, 43462380, 49257364, 53993649, 55052348, 56835420, 61571705, 63521940, 68815435, 71991532, 73886046, 82578522, 86924760, 89989415, 98514728, 107987298, 110104696, 113670840, 123143410, 127043880, 137630870, 143983064, 147772092, 165157044, 179978830, 184715115, 206446305, 215974596, 233972479, 246286820, 269968245, 275261740, 295544184, 330314088, 359957660, 369430230, 412892610, 431949192, 467944958, 492573640, 539936490, 550523480, 701917437, 719915320, 738860460, 825785220, 935889916, 1079872980, 1169862395, 1403834874, 1477720920, 1651570440, 1871779832, 2159745960, 2339724790, 2807669748, 3509587185, 4679449580, 5615339496, 7019174370, 9358899160, 14038348740, 28076697480]

約数ペア:

[(1, 28076697480), (2, 14038348740), (3, 9358899160), (4, 7019174370), (5, 5615339496), (6, 4679449580), (8, 3509587185), (10, 2807669748), (12, 2339724790), (13, 2159745960), (15, 1871779832), (17, 1651570440), (19, 1477720920), (20, 1403834874), (24, 1169862395), (26, 1079872980), (30, 935889916), (34, 825785220), (38, 738860460), (39, 719915320), (40, 701917437), (51, 550523480), (52, 539936490), (57, 492573640), (60, 467944958), (65, 431949192), (68, 412892610), (76, 369430230), (78, 359957660), (85, 330314088), (95, 295544184), (102, 275261740), (104, 269968245), (114, 246286820), (120, 233972479), (130, 215974596), (136, 206446305), (152, 184715115), (156, 179978830), (170, 165157044), (190, 147772092), (195, 143983064), (204, 137630870), (221, 127043880), (228, 123143410), (247, 113670840), (255, 110104696), (260, 107987298), (285, 98514728), (312, 89989415), (323, 86924760), (340, 82578522), (380, 73886046), (390, 71991532), (408, 68815435), (442, 63521940), (456, 61571705), (494, 56835420), (510, 55052348), (520, 53993649), (570, 49257364), (646, 43462380), (663, 42347960), (680, 41289261), (741, 37890280), (760, 36943023), (780, 35995766), (884, 31760970), (969, 28974920), (988, 28417710), (1020, 27526174), (1105, 25408776), (1140, 24628682), (1235, 22734168), (1292, 21731190), (1326, 21173980), (1482, 18945140), (1560, 17997883), (1615, 17384952), (1768, 15880485), (1938, 14487460), (1976, 14208855), (2040, 13763087), (2210, 12704388), (2280, 12314341), (2470, 11367084), (2584, 10865595), (2652, 10586990), (2964, 9472570), (3230, 8692476), (3315, 8469592), (3705, 7578056), (3876, 7243730), (4199, 6686520), (4420, 6352194), (4845, 5794984), (4940, 5683542), (5304, 5293495), (5928, 4736285), (6460, 4346238), (6630, 4234796), (7410, 3789028), (7752, 3621865), (8398, 3343260), (8840, 3176097), (9690, 2897492), (9880, 2841771), (12597, 2228840), (12920, 2173119), (13260, 2117398), (14820, 1894514), (16796, 1671630), (19380, 1448746), (20995, 1337304), (25194, 1114420), (26520, 1058699), (29640, 947257), (33592, 835815), (38760, 724373), (41990, 668652), (50388, 557210), (55721, 503880), (62985, 445768), (83980, 334326), (100776, 278605), (111442, 251940), (125970, 222884), (167163, 167960)]