180988920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{71821}}^1$

素因数の和:71845

約数の個数: 96

約数和(自身を含む): 672253920

約数和(自身を除く): 491265000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 71821, 143642, 215463, 287284, 359105, 430926, 502747, 574568, 646389, 718210, 861852, 1005494, 1077315, 1292778, 1436420, 1508241, 1723704, 2010988, 2154630, 2513735, 2585556, 2872840, 3016482, 3231945, 4021976, 4309260, 4524723, 5027470, 5171112, 6032964, 6463890, 7541205, 8618520, 9049446, 10054940, 12065928, 12927780, 15082410, 18098892, 20109880, 22623615, 25855560, 30164820, 36197784, 45247230, 60329640, 90494460, 180988920]

約数ペア:

[(1, 180988920), (2, 90494460), (3, 60329640), (4, 45247230), (5, 36197784), (6, 30164820), (7, 25855560), (8, 22623615), (9, 20109880), (10, 18098892), (12, 15082410), (14, 12927780), (15, 12065928), (18, 10054940), (20, 9049446), (21, 8618520), (24, 7541205), (28, 6463890), (30, 6032964), (35, 5171112), (36, 5027470), (40, 4524723), (42, 4309260), (45, 4021976), (56, 3231945), (60, 3016482), (63, 2872840), (70, 2585556), (72, 2513735), (84, 2154630), (90, 2010988), (105, 1723704), (120, 1508241), (126, 1436420), (140, 1292778), (168, 1077315), (180, 1005494), (210, 861852), (252, 718210), (280, 646389), (315, 574568), (360, 502747), (420, 430926), (504, 359105), (630, 287284), (840, 215463), (1260, 143642), (2520, 71821)]