204540780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 589171968

約数和(自身を除く): 384631188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 131, 159, 212, 262, 265, 318, 393, 491, 524, 530, 636, 655, 786, 795, 982, 1060, 1310, 1473, 1572, 1590, 1964, 1965, 2455, 2620, 2946, 3180, 3930, 4910, 5892, 6943, 7365, 7860, 9820, 13886, 14730, 20829, 26023, 27772, 29460, 34715, 41658, 52046, 64321, 69430, 78069, 83316, 104092, 104145, 128642, 130115, 138860, 156138, 192963, 208290, 257284, 260230, 312276, 321605, 385926, 390345, 416580, 520460, 643210, 771852, 780690, 964815, 1286420, 1561380, 1929630, 3409013, 3859260, 6818026, 10227039, 13636052, 17045065, 20454078, 34090130, 40908156, 51135195, 68180260, 102270390, 204540780]

約数ペア:

[(1, 204540780), (2, 102270390), (3, 68180260), (4, 51135195), (5, 40908156), (6, 34090130), (10, 20454078), (12, 17045065), (15, 13636052), (20, 10227039), (30, 6818026), (53, 3859260), (60, 3409013), (106, 1929630), (131, 1561380), (159, 1286420), (212, 964815), (262, 780690), (265, 771852), (318, 643210), (393, 520460), (491, 416580), (524, 390345), (530, 385926), (636, 321605), (655, 312276), (786, 260230), (795, 257284), (982, 208290), (1060, 192963), (1310, 156138), (1473, 138860), (1572, 130115), (1590, 128642), (1964, 104145), (1965, 104092), (2455, 83316), (2620, 78069), (2946, 69430), (3180, 64321), (3930, 52046), (4910, 41658), (5892, 34715), (6943, 29460), (7365, 27772), (7860, 26023), (9820, 20829), (13886, 14730)]