81872280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:690

約数の個数: 192

約数和(自身を含む): 310340160

約数和(自身を除く): 228467880

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, 53, 56, 60, 63, 70, 72, 84, 90, 105, 106, 120, 126, 140, 159, 168, 180, 210, 212, 252, 265, 280, 315, 318, 360, 371, 420, 424, 477, 504, 530, 613, 630, 636, 742, 795, 840, 954, 1060, 1113, 1226, 1260, 1272, 1484, 1590, 1839, 1855, 1908, 2120, 2226, 2385, 2452, 2520, 2968, 3065, 3180, 3339, 3678, 3710, 3816, 4291, 4452, 4770, 4904, 5517, 5565, 6130, 6360, 6678, 7356, 7420, 8582, 8904, 9195, 9540, 11034, 11130, 12260, 12873, 13356, 14712, 14840, 16695, 17164, 18390, 19080, 21455, 22068, 22260, 24520, 25746, 26712, 27585, 32489, 33390, 34328, 36780, 38619, 42910, 44136, 44520, 51492, 55170, 64365, 64978, 66780, 73560, 77238, 85820, 97467, 102984, 110340, 128730, 129956, 133560, 154476, 162445, 171640, 193095, 194934, 220680, 227423, 257460, 259912, 292401, 308952, 324890, 386190, 389868, 454846, 487335, 514920, 584802, 649780, 682269, 772380, 779736, 909692, 974670, 1137115, 1169604, 1299560, 1364538, 1462005, 1544760, 1819384, 1949340, 2046807, 2274230, 2339208, 2729076, 2924010, 3411345, 3898680, 4093614, 4548460, 5458152, 5848020, 6822690, 8187228, 9096920, 10234035, 11696040, 13645380, 16374456, 20468070, 27290760, 40936140, 81872280]

約数ペア:

[(1, 81872280), (2, 40936140), (3, 27290760), (4, 20468070), (5, 16374456), (6, 13645380), (7, 11696040), (8, 10234035), (9, 9096920), (10, 8187228), (12, 6822690), (14, 5848020), (15, 5458152), (18, 4548460), (20, 4093614), (21, 3898680), (24, 3411345), (28, 2924010), (30, 2729076), (35, 2339208), (36, 2274230), (40, 2046807), (42, 1949340), (45, 1819384), (53, 1544760), (56, 1462005), (60, 1364538), (63, 1299560), (70, 1169604), (72, 1137115), (84, 974670), (90, 909692), (105, 779736), (106, 772380), (120, 682269), (126, 649780), (140, 584802), (159, 514920), (168, 487335), (180, 454846), (210, 389868), (212, 386190), (252, 324890), (265, 308952), (280, 292401), (315, 259912), (318, 257460), (360, 227423), (371, 220680), (420, 194934), (424, 193095), (477, 171640), (504, 162445), (530, 154476), (613, 133560), (630, 129956), (636, 128730), (742, 110340), (795, 102984), (840, 97467), (954, 85820), (1060, 77238), (1113, 73560), (1226, 66780), (1260, 64978), (1272, 64365), (1484, 55170), (1590, 51492), (1839, 44520), (1855, 44136), (1908, 42910), (2120, 38619), (2226, 36780), (2385, 34328), (2452, 33390), (2520, 32489), (2968, 27585), (3065, 26712), (3180, 25746), (3339, 24520), (3678, 22260), (3710, 22068), (3816, 21455), (4291, 19080), (4452, 18390), (4770, 17164), (4904, 16695), (5517, 14840), (5565, 14712), (6130, 13356), (6360, 12873), (6678, 12260), (7356, 11130), (7420, 11034), (8582, 9540), (8904, 9195)]