172945280

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:452

約数の個数: 128

約数和(自身を含む): 446515200

約数和(自身を除く): 273569920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 310, 320, 368, 379, 460, 496, 620, 640, 713, 736, 758, 920, 992, 1240, 1426, 1472, 1516, 1840, 1895, 1984, 2480, 2852, 2944, 3032, 3565, 3680, 3790, 3968, 4960, 5704, 6064, 7130, 7360, 7580, 8717, 9920, 11408, 11749, 12128, 14260, 14720, 15160, 17434, 19840, 22816, 23498, 24256, 28520, 30320, 34868, 43585, 45632, 46996, 48512, 57040, 58745, 60640, 69736, 87170, 91264, 93992, 114080, 117490, 121280, 139472, 174340, 187984, 228160, 234980, 242560, 270227, 278944, 348680, 375968, 456320, 469960, 540454, 557888, 697360, 751936, 939920, 1080908, 1115776, 1351135, 1394720, 1503872, 1879840, 2161816, 2702270, 2789440, 3759680, 4323632, 5404540, 5578880, 7519360, 8647264, 10809080, 17294528, 21618160, 34589056, 43236320, 86472640, 172945280]

約数ペア:

[(1, 172945280), (2, 86472640), (4, 43236320), (5, 34589056), (8, 21618160), (10, 17294528), (16, 10809080), (20, 8647264), (23, 7519360), (31, 5578880), (32, 5404540), (40, 4323632), (46, 3759680), (62, 2789440), (64, 2702270), (80, 2161816), (92, 1879840), (115, 1503872), (124, 1394720), (128, 1351135), (155, 1115776), (160, 1080908), (184, 939920), (230, 751936), (248, 697360), (310, 557888), (320, 540454), (368, 469960), (379, 456320), (460, 375968), (496, 348680), (620, 278944), (640, 270227), (713, 242560), (736, 234980), (758, 228160), (920, 187984), (992, 174340), (1240, 139472), (1426, 121280), (1472, 117490), (1516, 114080), (1840, 93992), (1895, 91264), (1984, 87170), (2480, 69736), (2852, 60640), (2944, 58745), (3032, 57040), (3565, 48512), (3680, 46996), (3790, 45632), (3968, 43585), (4960, 34868), (5704, 30320), (6064, 28520), (7130, 24256), (7360, 23498), (7580, 22816), (8717, 19840), (9920, 17434), (11408, 15160), (11749, 14720), (12128, 14260)]