64431990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 199480320

約数和(自身を除く): 135048330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 73, 90, 105, 126, 135, 146, 189, 210, 219, 270, 315, 365, 378, 438, 467, 511, 630, 657, 730, 934, 945, 1022, 1095, 1314, 1401, 1533, 1890, 1971, 2190, 2335, 2555, 2802, 3066, 3269, 3285, 3942, 4203, 4599, 4670, 5110, 6538, 6570, 7005, 7665, 8406, 9198, 9807, 9855, 12609, 13797, 14010, 15330, 16345, 19614, 19710, 21015, 22995, 25218, 27594, 29421, 32690, 34091, 42030, 45990, 49035, 58842, 63045, 68182, 68985, 88263, 98070, 102273, 126090, 137970, 147105, 170455, 176526, 204546, 238637, 294210, 306819, 340910, 441315, 477274, 511365, 613638, 715911, 882630, 920457, 1022730, 1193185, 1431822, 1534095, 1840914, 2147733, 2386370, 3068190, 3579555, 4295466, 4602285, 6443199, 7159110, 9204570, 10738665, 12886398, 21477330, 32215995, 64431990]

約数ペア:

[(1, 64431990), (2, 32215995), (3, 21477330), (5, 12886398), (6, 10738665), (7, 9204570), (9, 7159110), (10, 6443199), (14, 4602285), (15, 4295466), (18, 3579555), (21, 3068190), (27, 2386370), (30, 2147733), (35, 1840914), (42, 1534095), (45, 1431822), (54, 1193185), (63, 1022730), (70, 920457), (73, 882630), (90, 715911), (105, 613638), (126, 511365), (135, 477274), (146, 441315), (189, 340910), (210, 306819), (219, 294210), (270, 238637), (315, 204546), (365, 176526), (378, 170455), (438, 147105), (467, 137970), (511, 126090), (630, 102273), (657, 98070), (730, 88263), (934, 68985), (945, 68182), (1022, 63045), (1095, 58842), (1314, 49035), (1401, 45990), (1533, 42030), (1890, 34091), (1971, 32690), (2190, 29421), (2335, 27594), (2555, 25218), (2802, 22995), (3066, 21015), (3269, 19710), (3285, 19614), (3942, 16345), (4203, 15330), (4599, 14010), (4670, 13797), (5110, 12609), (6538, 9855), (6570, 9807), (7005, 9198), (7665, 8406)]