65731680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{6521}}^1$

素因数の和:6549

約数の個数: 144

約数和(自身を含む): 256392864

約数和(自身を除く): 190661184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 6521, 10080, 13042, 19563, 26084, 32605, 39126, 45647, 52168, 58689, 65210, 78252, 91294, 97815, 104336, 117378, 130420, 136941, 156504, 182588, 195630, 208672, 228235, 234756, 260840, 273882, 293445, 313008, 365176, 391260, 410823, 456470, 469512, 521680, 547764, 586890, 626016, 684705, 730352, 782520, 821646, 912940, 939024, 1043360, 1095528, 1173780, 1369410, 1460704, 1565040, 1643292, 1825880, 1878048, 2054115, 2191056, 2347560, 2738820, 3130080, 3286584, 3651760, 4108230, 4382112, 4695120, 5477640, 6573168, 7303520, 8216460, 9390240, 10955280, 13146336, 16432920, 21910560, 32865840, 65731680]

約数ペア:

[(1, 65731680), (2, 32865840), (3, 21910560), (4, 16432920), (5, 13146336), (6, 10955280), (7, 9390240), (8, 8216460), (9, 7303520), (10, 6573168), (12, 5477640), (14, 4695120), (15, 4382112), (16, 4108230), (18, 3651760), (20, 3286584), (21, 3130080), (24, 2738820), (28, 2347560), (30, 2191056), (32, 2054115), (35, 1878048), (36, 1825880), (40, 1643292), (42, 1565040), (45, 1460704), (48, 1369410), (56, 1173780), (60, 1095528), (63, 1043360), (70, 939024), (72, 912940), (80, 821646), (84, 782520), (90, 730352), (96, 684705), (105, 626016), (112, 586890), (120, 547764), (126, 521680), (140, 469512), (144, 456470), (160, 410823), (168, 391260), (180, 365176), (210, 313008), (224, 293445), (240, 273882), (252, 260840), (280, 234756), (288, 228235), (315, 208672), (336, 195630), (360, 182588), (420, 156504), (480, 136941), (504, 130420), (560, 117378), (630, 104336), (672, 97815), (720, 91294), (840, 78252), (1008, 65210), (1120, 58689), (1260, 52168), (1440, 45647), (1680, 39126), (2016, 32605), (2520, 26084), (3360, 19563), (5040, 13042), (6521, 10080)]