131511320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{5227}}^1$

素因数の和:5292

約数の個数: 64

約数和(自身を含む): 321835680

約数和(自身を除く): 190324360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1258, 1480, 2516, 3145, 5032, 5227, 6290, 10454, 12580, 20908, 25160, 26135, 41816, 52270, 88859, 104540, 177718, 193399, 209080, 355436, 386798, 444295, 710872, 773596, 888590, 966995, 1547192, 1777180, 1933990, 3287783, 3554360, 3867980, 6575566, 7735960, 13151132, 16438915, 26302264, 32877830, 65755660, 131511320]

約数ペア:

[(1, 131511320), (2, 65755660), (4, 32877830), (5, 26302264), (8, 16438915), (10, 13151132), (17, 7735960), (20, 6575566), (34, 3867980), (37, 3554360), (40, 3287783), (68, 1933990), (74, 1777180), (85, 1547192), (136, 966995), (148, 888590), (170, 773596), (185, 710872), (296, 444295), (340, 386798), (370, 355436), (629, 209080), (680, 193399), (740, 177718), (1258, 104540), (1480, 88859), (2516, 52270), (3145, 41816), (5032, 26135), (5227, 25160), (6290, 20908), (10454, 12580)]