31850520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1201}}^1$

素因数の和:1245

約数の個数: 128

約数和(自身を含む): 109045440

約数和(自身を除く): 77194920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1201, 1326, 1560, 1768, 2040, 2210, 2402, 2652, 3315, 3603, 4420, 4804, 5304, 6005, 6630, 7206, 8840, 9608, 12010, 13260, 14412, 15613, 18015, 20417, 24020, 26520, 28824, 31226, 36030, 40834, 46839, 48040, 61251, 62452, 72060, 78065, 81668, 93678, 102085, 122502, 124904, 144120, 156130, 163336, 187356, 204170, 234195, 245004, 265421, 306255, 312260, 374712, 408340, 468390, 490008, 530842, 612510, 624520, 796263, 816680, 936780, 1061684, 1225020, 1327105, 1592526, 1873560, 2123368, 2450040, 2654210, 3185052, 3981315, 5308420, 6370104, 7962630, 10616840, 15925260, 31850520]

約数ペア:

[(1, 31850520), (2, 15925260), (3, 10616840), (4, 7962630), (5, 6370104), (6, 5308420), (8, 3981315), (10, 3185052), (12, 2654210), (13, 2450040), (15, 2123368), (17, 1873560), (20, 1592526), (24, 1327105), (26, 1225020), (30, 1061684), (34, 936780), (39, 816680), (40, 796263), (51, 624520), (52, 612510), (60, 530842), (65, 490008), (68, 468390), (78, 408340), (85, 374712), (102, 312260), (104, 306255), (120, 265421), (130, 245004), (136, 234195), (156, 204170), (170, 187356), (195, 163336), (204, 156130), (221, 144120), (255, 124904), (260, 122502), (312, 102085), (340, 93678), (390, 81668), (408, 78065), (442, 72060), (510, 62452), (520, 61251), (663, 48040), (680, 46839), (780, 40834), (884, 36030), (1020, 31226), (1105, 28824), (1201, 26520), (1326, 24020), (1560, 20417), (1768, 18015), (2040, 15613), (2210, 14412), (2402, 13260), (2652, 12010), (3315, 9608), (3603, 8840), (4420, 7206), (4804, 6630), (5304, 6005)]