154859880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:384

約数の個数: 256

約数和(自身を含む): 578764800

約数和(自身を除く): 423904920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 280, 285, 310, 313, 372, 380, 399, 420, 434, 456, 465, 532, 570, 589, 620, 626, 651, 665, 744, 760, 798, 840, 868, 930, 939, 1064, 1085, 1140, 1178, 1240, 1252, 1302, 1330, 1565, 1596, 1736, 1767, 1860, 1878, 1995, 2170, 2191, 2280, 2356, 2504, 2604, 2660, 2945, 3130, 3192, 3255, 3534, 3720, 3756, 3990, 4123, 4340, 4382, 4695, 4712, 5208, 5320, 5890, 5947, 6260, 6510, 6573, 7068, 7512, 7980, 8246, 8680, 8764, 8835, 9390, 9703, 10955, 11780, 11894, 12369, 12520, 13020, 13146, 14136, 15960, 16492, 17528, 17670, 17841, 18780, 19406, 20615, 21910, 23560, 23788, 24738, 26040, 26292, 29109, 29735, 32865, 32984, 35340, 35682, 37560, 38812, 41230, 41629, 43820, 47576, 48515, 49476, 52584, 58218, 59470, 61845, 65730, 67921, 70680, 71364, 77624, 82460, 83258, 87640, 89205, 97030, 98952, 116436, 118940, 123690, 124887, 131460, 135842, 142728, 145545, 164920, 166516, 178410, 184357, 194060, 203763, 208145, 232872, 237880, 247380, 249774, 262920, 271684, 291090, 333032, 339605, 356820, 368714, 388120, 407526, 416290, 494760, 499548, 543368, 553071, 582180, 624435, 679210, 713640, 737428, 815052, 832580, 921785, 999096, 1018815, 1106142, 1164360, 1248870, 1290499, 1358420, 1474856, 1630104, 1665160, 1843570, 2037630, 2212284, 2497740, 2580998, 2716840, 2765355, 3687140, 3871497, 4075260, 4424568, 4995480, 5161996, 5530710, 6452495, 7374280, 7742994, 8150520, 10323992, 11061420, 12904990, 15485988, 19357485, 22122840, 25809980, 30971976, 38714970, 51619960, 77429940, 154859880]

約数ペア:

[(1, 154859880), (2, 77429940), (3, 51619960), (4, 38714970), (5, 30971976), (6, 25809980), (7, 22122840), (8, 19357485), (10, 15485988), (12, 12904990), (14, 11061420), (15, 10323992), (19, 8150520), (20, 7742994), (21, 7374280), (24, 6452495), (28, 5530710), (30, 5161996), (31, 4995480), (35, 4424568), (38, 4075260), (40, 3871497), (42, 3687140), (56, 2765355), (57, 2716840), (60, 2580998), (62, 2497740), (70, 2212284), (76, 2037630), (84, 1843570), (93, 1665160), (95, 1630104), (105, 1474856), (114, 1358420), (120, 1290499), (124, 1248870), (133, 1164360), (140, 1106142), (152, 1018815), (155, 999096), (168, 921785), (186, 832580), (190, 815052), (210, 737428), (217, 713640), (228, 679210), (248, 624435), (266, 582180), (280, 553071), (285, 543368), (310, 499548), (313, 494760), (372, 416290), (380, 407526), (399, 388120), (420, 368714), (434, 356820), (456, 339605), (465, 333032), (532, 291090), (570, 271684), (589, 262920), (620, 249774), (626, 247380), (651, 237880), (665, 232872), (744, 208145), (760, 203763), (798, 194060), (840, 184357), (868, 178410), (930, 166516), (939, 164920), (1064, 145545), (1085, 142728), (1140, 135842), (1178, 131460), (1240, 124887), (1252, 123690), (1302, 118940), (1330, 116436), (1565, 98952), (1596, 97030), (1736, 89205), (1767, 87640), (1860, 83258), (1878, 82460), (1995, 77624), (2170, 71364), (2191, 70680), (2280, 67921), (2356, 65730), (2504, 61845), (2604, 59470), (2660, 58218), (2945, 52584), (3130, 49476), (3192, 48515), (3255, 47576), (3534, 43820), (3720, 41629), (3756, 41230), (3990, 38812), (4123, 37560), (4340, 35682), (4382, 35340), (4695, 32984), (4712, 32865), (5208, 29735), (5320, 29109), (5890, 26292), (5947, 26040), (6260, 24738), (6510, 23788), (6573, 23560), (7068, 21910), (7512, 20615), (7980, 19406), (8246, 18780), (8680, 17841), (8764, 17670), (8835, 17528), (9390, 16492), (9703, 15960), (10955, 14136), (11780, 13146), (11894, 13020), (12369, 12520)]