2005618720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^2$

素因数の和:655

約数の個数: 144

約数和(自身を含む): 5718807360

約数和(自身を除く): 3713188640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 307, 380, 532, 560, 608, 614, 665, 760, 1064, 1120, 1228, 1330, 1520, 1535, 2128, 2149, 2456, 2660, 3040, 3070, 4256, 4298, 4912, 5320, 5833, 6140, 8596, 9824, 10640, 10745, 11666, 12280, 17192, 21280, 21490, 23332, 24560, 29165, 34384, 40831, 42980, 46664, 49120, 58330, 68768, 81662, 85960, 93328, 94249, 116660, 163324, 171920, 186656, 188498, 204155, 233320, 326648, 343840, 376996, 408310, 466640, 471245, 653296, 659743, 753992, 816620, 933280, 942490, 1306592, 1319486, 1507984, 1633240, 1790731, 1884980, 2638972, 3015968, 3266480, 3298715, 3581462, 3769960, 5277944, 6532960, 6597430, 7162924, 7539920, 8953655, 10555888, 12535117, 13194860, 14325848, 15079840, 17907310, 21111776, 25070234, 26389720, 28651696, 35814620, 50140468, 52779440, 57303392, 62675585, 71629240, 100280936, 105558880, 125351170, 143258480, 200561872, 250702340, 286516960, 401123744, 501404680, 1002809360, 2005618720]

約数ペア:

[(1, 2005618720), (2, 1002809360), (4, 501404680), (5, 401123744), (7, 286516960), (8, 250702340), (10, 200561872), (14, 143258480), (16, 125351170), (19, 105558880), (20, 100280936), (28, 71629240), (32, 62675585), (35, 57303392), (38, 52779440), (40, 50140468), (56, 35814620), (70, 28651696), (76, 26389720), (80, 25070234), (95, 21111776), (112, 17907310), (133, 15079840), (140, 14325848), (152, 13194860), (160, 12535117), (190, 10555888), (224, 8953655), (266, 7539920), (280, 7162924), (304, 6597430), (307, 6532960), (380, 5277944), (532, 3769960), (560, 3581462), (608, 3298715), (614, 3266480), (665, 3015968), (760, 2638972), (1064, 1884980), (1120, 1790731), (1228, 1633240), (1330, 1507984), (1520, 1319486), (1535, 1306592), (2128, 942490), (2149, 933280), (2456, 816620), (2660, 753992), (3040, 659743), (3070, 653296), (4256, 471245), (4298, 466640), (4912, 408310), (5320, 376996), (5833, 343840), (6140, 326648), (8596, 233320), (9824, 204155), (10640, 188498), (10745, 186656), (11666, 171920), (12280, 163324), (17192, 116660), (21280, 94249), (21490, 93328), (23332, 85960), (24560, 81662), (29165, 68768), (34384, 58330), (40831, 49120), (42980, 46664)]