31008040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1877}}^1$

素因数の和:1954

約数の個数: 64

約数和(自身を含む): 81129600

約数和(自身を除く): 50121560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1652, 1877, 2065, 2360, 3304, 3754, 4130, 7508, 8260, 9385, 13139, 15016, 16520, 18770, 26278, 37540, 52556, 65695, 75080, 105112, 110743, 131390, 221486, 262780, 442972, 525560, 553715, 775201, 885944, 1107430, 1550402, 2214860, 3100804, 3876005, 4429720, 6201608, 7752010, 15504020, 31008040]

約数ペア:

[(1, 31008040), (2, 15504020), (4, 7752010), (5, 6201608), (7, 4429720), (8, 3876005), (10, 3100804), (14, 2214860), (20, 1550402), (28, 1107430), (35, 885944), (40, 775201), (56, 553715), (59, 525560), (70, 442972), (118, 262780), (140, 221486), (236, 131390), (280, 110743), (295, 105112), (413, 75080), (472, 65695), (590, 52556), (826, 37540), (1180, 26278), (1652, 18770), (1877, 16520), (2065, 15016), (2360, 13139), (3304, 9385), (3754, 8260), (4130, 7508)]