72169760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 196730856

約数和(自身を除く): 124561096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 157, 160, 169, 170, 208, 221, 260, 272, 314, 338, 340, 416, 442, 520, 544, 628, 676, 680, 785, 845, 884, 1040, 1105, 1256, 1352, 1360, 1570, 1690, 1768, 2041, 2080, 2210, 2512, 2669, 2704, 2720, 2873, 3140, 3380, 3536, 4082, 4420, 5024, 5338, 5408, 5746, 6280, 6760, 7072, 8164, 8840, 10205, 10676, 11492, 12560, 13345, 13520, 14365, 16328, 17680, 20410, 21352, 22984, 25120, 26533, 26690, 27040, 28730, 32656, 34697, 35360, 40820, 42704, 45968, 53066, 53380, 57460, 65312, 69394, 81640, 85408, 91936, 106132, 106760, 114920, 132665, 138788, 163280, 173485, 212264, 213520, 229840, 265330, 277576, 326560, 346970, 424528, 427040, 451061, 459680, 530660, 555152, 693940, 849056, 902122, 1061320, 1110304, 1387880, 1804244, 2122640, 2255305, 2775760, 3608488, 4245280, 4510610, 5551520, 7216976, 9021220, 14433952, 18042440, 36084880, 72169760]

約数ペア:

[(1, 72169760), (2, 36084880), (4, 18042440), (5, 14433952), (8, 9021220), (10, 7216976), (13, 5551520), (16, 4510610), (17, 4245280), (20, 3608488), (26, 2775760), (32, 2255305), (34, 2122640), (40, 1804244), (52, 1387880), (65, 1110304), (68, 1061320), (80, 902122), (85, 849056), (104, 693940), (130, 555152), (136, 530660), (157, 459680), (160, 451061), (169, 427040), (170, 424528), (208, 346970), (221, 326560), (260, 277576), (272, 265330), (314, 229840), (338, 213520), (340, 212264), (416, 173485), (442, 163280), (520, 138788), (544, 132665), (628, 114920), (676, 106760), (680, 106132), (785, 91936), (845, 85408), (884, 81640), (1040, 69394), (1105, 65312), (1256, 57460), (1352, 53380), (1360, 53066), (1570, 45968), (1690, 42704), (1768, 40820), (2041, 35360), (2080, 34697), (2210, 32656), (2512, 28730), (2669, 27040), (2704, 26690), (2720, 26533), (2873, 25120), (3140, 22984), (3380, 21352), (3536, 20410), (4082, 17680), (4420, 16328), (5024, 14365), (5338, 13520), (5408, 13345), (5746, 12560), (6280, 11492), (6760, 10676), (7072, 10205), (8164, 8840)]