68536520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7753}}^1$

素因数の和:7794

約数の個数: 64

約数和(自身を含む): 175860720

約数和(自身を除く): 107324200

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 7753, 8840, 15506, 31012, 38765, 62024, 77530, 100789, 131801, 155060, 201578, 263602, 310120, 403156, 503945, 527204, 659005, 806312, 1007890, 1054408, 1318010, 1713413, 2015780, 2636020, 3426826, 4031560, 5272040, 6853652, 8567065, 13707304, 17134130, 34268260, 68536520]

約数ペア:

[(1, 68536520), (2, 34268260), (4, 17134130), (5, 13707304), (8, 8567065), (10, 6853652), (13, 5272040), (17, 4031560), (20, 3426826), (26, 2636020), (34, 2015780), (40, 1713413), (52, 1318010), (65, 1054408), (68, 1007890), (85, 806312), (104, 659005), (130, 527204), (136, 503945), (170, 403156), (221, 310120), (260, 263602), (340, 201578), (442, 155060), (520, 131801), (680, 100789), (884, 77530), (1105, 62024), (1768, 38765), (2210, 31012), (4420, 15506), (7753, 8840)]