172904280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:809

約数の個数: 128

約数和(自身を含む): 554273280

約数和(自身を除く): 381369000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 131, 136, 170, 204, 255, 262, 340, 393, 408, 510, 524, 647, 655, 680, 786, 1020, 1048, 1294, 1310, 1572, 1941, 1965, 2040, 2227, 2588, 2620, 3144, 3235, 3882, 3930, 4454, 5176, 5240, 6470, 6681, 7764, 7860, 8908, 9705, 10999, 11135, 12940, 13362, 15528, 15720, 17816, 19410, 21998, 22270, 25880, 26724, 32997, 33405, 38820, 43996, 44540, 53448, 54995, 65994, 66810, 77640, 84757, 87992, 89080, 109990, 131988, 133620, 164985, 169514, 219980, 254271, 263976, 267240, 329970, 339028, 423785, 439960, 508542, 659940, 678056, 847570, 1017084, 1271355, 1319880, 1440869, 1695140, 2034168, 2542710, 2881738, 3390280, 4322607, 5085420, 5763476, 7204345, 8645214, 10170840, 11526952, 14408690, 17290428, 21613035, 28817380, 34580856, 43226070, 57634760, 86452140, 172904280]

約数ペア:

[(1, 172904280), (2, 86452140), (3, 57634760), (4, 43226070), (5, 34580856), (6, 28817380), (8, 21613035), (10, 17290428), (12, 14408690), (15, 11526952), (17, 10170840), (20, 8645214), (24, 7204345), (30, 5763476), (34, 5085420), (40, 4322607), (51, 3390280), (60, 2881738), (68, 2542710), (85, 2034168), (102, 1695140), (120, 1440869), (131, 1319880), (136, 1271355), (170, 1017084), (204, 847570), (255, 678056), (262, 659940), (340, 508542), (393, 439960), (408, 423785), (510, 339028), (524, 329970), (647, 267240), (655, 263976), (680, 254271), (786, 219980), (1020, 169514), (1048, 164985), (1294, 133620), (1310, 131988), (1572, 109990), (1941, 89080), (1965, 87992), (2040, 84757), (2227, 77640), (2588, 66810), (2620, 65994), (3144, 54995), (3235, 53448), (3882, 44540), (3930, 43996), (4454, 38820), (5176, 33405), (5240, 32997), (6470, 26724), (6681, 25880), (7764, 22270), (7860, 21998), (8908, 19410), (9705, 17816), (10999, 15720), (11135, 15528), (12940, 13362)]