1315709440

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 160

約数和(自身を含む): 3323358720

約数和(自身を除く): 2007649280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 128, 155, 160, 236, 248, 256, 281, 295, 310, 320, 472, 496, 512, 562, 590, 620, 640, 944, 992, 1124, 1180, 1240, 1280, 1405, 1829, 1888, 1984, 2248, 2360, 2480, 2560, 2810, 3658, 3776, 3968, 4496, 4720, 4960, 5620, 7316, 7552, 7936, 8711, 8992, 9145, 9440, 9920, 11240, 14632, 15104, 15872, 16579, 17422, 17984, 18290, 18880, 19840, 22480, 29264, 30208, 33158, 34844, 35968, 36580, 37760, 39680, 43555, 44960, 58528, 66316, 69688, 71936, 73160, 75520, 79360, 82895, 87110, 89920, 117056, 132632, 139376, 143872, 146320, 151040, 165790, 174220, 179840, 234112, 265264, 278752, 292640, 331580, 348440, 359680, 468224, 513949, 530528, 557504, 585280, 663160, 696880, 719360, 936448, 1027898, 1061056, 1115008, 1170560, 1326320, 1393760, 2055796, 2122112, 2230016, 2341120, 2569745, 2652640, 2787520, 4111592, 4244224, 4460032, 4682240, 5139490, 5305280, 5575040, 8223184, 8488448, 10278980, 10610560, 11150080, 16446368, 20557960, 21221120, 22300160, 32892736, 41115920, 42442240, 65785472, 82231840, 131570944, 164463680, 263141888, 328927360, 657854720, 1315709440]

約数ペア:

[(1, 1315709440), (2, 657854720), (4, 328927360), (5, 263141888), (8, 164463680), (10, 131570944), (16, 82231840), (20, 65785472), (31, 42442240), (32, 41115920), (40, 32892736), (59, 22300160), (62, 21221120), (64, 20557960), (80, 16446368), (118, 11150080), (124, 10610560), (128, 10278980), (155, 8488448), (160, 8223184), (236, 5575040), (248, 5305280), (256, 5139490), (281, 4682240), (295, 4460032), (310, 4244224), (320, 4111592), (472, 2787520), (496, 2652640), (512, 2569745), (562, 2341120), (590, 2230016), (620, 2122112), (640, 2055796), (944, 1393760), (992, 1326320), (1124, 1170560), (1180, 1115008), (1240, 1061056), (1280, 1027898), (1405, 936448), (1829, 719360), (1888, 696880), (1984, 663160), (2248, 585280), (2360, 557504), (2480, 530528), (2560, 513949), (2810, 468224), (3658, 359680), (3776, 348440), (3968, 331580), (4496, 292640), (4720, 278752), (4960, 265264), (5620, 234112), (7316, 179840), (7552, 174220), (7936, 165790), (8711, 151040), (8992, 146320), (9145, 143872), (9440, 139376), (9920, 132632), (11240, 117056), (14632, 89920), (15104, 87110), (15872, 82895), (16579, 79360), (17422, 75520), (17984, 73160), (18290, 71936), (18880, 69688), (19840, 66316), (22480, 58528), (29264, 44960), (30208, 43555), (33158, 39680), (34844, 37760), (35968, 36580)]