665125680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163021}}^1$

素因数の和:163054

約数の個数: 80

約数和(自身を含む): 2183190624

約数和(自身を除く): 1518064944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 163021, 326042, 489063, 652084, 815105, 978126, 1304168, 1630210, 1956252, 2445315, 2608336, 2771357, 3260420, 3912504, 4890630, 5542714, 6520840, 7825008, 8314071, 9781260, 11085428, 13041680, 13856785, 16628142, 19562520, 22170856, 27713570, 33256284, 39125040, 41570355, 44341712, 55427140, 66512568, 83140710, 110854280, 133025136, 166281420, 221708560, 332562840, 665125680]

約数ペア:

[(1, 665125680), (2, 332562840), (3, 221708560), (4, 166281420), (5, 133025136), (6, 110854280), (8, 83140710), (10, 66512568), (12, 55427140), (15, 44341712), (16, 41570355), (17, 39125040), (20, 33256284), (24, 27713570), (30, 22170856), (34, 19562520), (40, 16628142), (48, 13856785), (51, 13041680), (60, 11085428), (68, 9781260), (80, 8314071), (85, 7825008), (102, 6520840), (120, 5542714), (136, 4890630), (170, 3912504), (204, 3260420), (240, 2771357), (255, 2608336), (272, 2445315), (340, 1956252), (408, 1630210), (510, 1304168), (680, 978126), (816, 815105), (1020, 652084), (1360, 489063), (2040, 326042), (4080, 163021)]