689520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:59

約数の個数: 120

約数和(自身を含む): 2450736

約数和(自身を除く): 1761216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 169, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 338, 340, 390, 408, 442, 507, 510, 520, 624, 663, 676, 680, 780, 816, 845, 884, 1014, 1020, 1040, 1105, 1326, 1352, 1360, 1560, 1690, 1768, 2028, 2040, 2210, 2535, 2652, 2704, 2873, 3120, 3315, 3380, 3536, 4056, 4080, 4420, 5070, 5304, 5746, 6630, 6760, 8112, 8619, 8840, 10140, 10608, 11492, 13260, 13520, 14365, 17238, 17680, 20280, 22984, 26520, 28730, 34476, 40560, 43095, 45968, 53040, 57460, 68952, 86190, 114920, 137904, 172380, 229840, 344760, 689520]

約数ペア:

[(1, 689520), (2, 344760), (3, 229840), (4, 172380), (5, 137904), (6, 114920), (8, 86190), (10, 68952), (12, 57460), (13, 53040), (15, 45968), (16, 43095), (17, 40560), (20, 34476), (24, 28730), (26, 26520), (30, 22984), (34, 20280), (39, 17680), (40, 17238), (48, 14365), (51, 13520), (52, 13260), (60, 11492), (65, 10608), (68, 10140), (78, 8840), (80, 8619), (85, 8112), (102, 6760), (104, 6630), (120, 5746), (130, 5304), (136, 5070), (156, 4420), (169, 4080), (170, 4056), (195, 3536), (204, 3380), (208, 3315), (221, 3120), (240, 2873), (255, 2704), (260, 2652), (272, 2535), (312, 2210), (338, 2040), (340, 2028), (390, 1768), (408, 1690), (442, 1560), (507, 1360), (510, 1352), (520, 1326), (624, 1105), (663, 1040), (676, 1020), (680, 1014), (780, 884), (816, 845)]