287789460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 192

約数和(自身を含む): 959938560

約数和(自身を除く): 672149100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 61, 70, 84, 94, 105, 122, 140, 141, 183, 188, 210, 235, 239, 244, 282, 305, 329, 366, 420, 427, 470, 478, 564, 610, 658, 705, 717, 732, 854, 915, 940, 956, 987, 1195, 1220, 1281, 1316, 1410, 1434, 1645, 1673, 1708, 1830, 1974, 2135, 2390, 2562, 2820, 2867, 2868, 3290, 3346, 3585, 3660, 3948, 4270, 4780, 4935, 5019, 5124, 5734, 6405, 6580, 6692, 7170, 8365, 8540, 8601, 9870, 10038, 11233, 11468, 12810, 14335, 14340, 14579, 16730, 17202, 19740, 20069, 20076, 22466, 25095, 25620, 28670, 29158, 33460, 33699, 34404, 40138, 43005, 43737, 44932, 50190, 56165, 57340, 58316, 60207, 67398, 72895, 78631, 80276, 86010, 87474, 100345, 100380, 102053, 112330, 120414, 134796, 145790, 157262, 168495, 172020, 174948, 200690, 204106, 218685, 224660, 235893, 240828, 291580, 301035, 306159, 314524, 336990, 393155, 401380, 408212, 437370, 471786, 510265, 602070, 612318, 673980, 685213, 786310, 874740, 943572, 1020530, 1179465, 1204140, 1224636, 1370426, 1530795, 1572620, 2041060, 2055639, 2358930, 2740852, 3061590, 3426065, 4111278, 4717860, 4796491, 6123180, 6852130, 8222556, 9592982, 10278195, 13704260, 14389473, 19185964, 20556390, 23982455, 28778946, 41112780, 47964910, 57557892, 71947365, 95929820, 143894730, 287789460]

約数ペア:

[(1, 287789460), (2, 143894730), (3, 95929820), (4, 71947365), (5, 57557892), (6, 47964910), (7, 41112780), (10, 28778946), (12, 23982455), (14, 20556390), (15, 19185964), (20, 14389473), (21, 13704260), (28, 10278195), (30, 9592982), (35, 8222556), (42, 6852130), (47, 6123180), (60, 4796491), (61, 4717860), (70, 4111278), (84, 3426065), (94, 3061590), (105, 2740852), (122, 2358930), (140, 2055639), (141, 2041060), (183, 1572620), (188, 1530795), (210, 1370426), (235, 1224636), (239, 1204140), (244, 1179465), (282, 1020530), (305, 943572), (329, 874740), (366, 786310), (420, 685213), (427, 673980), (470, 612318), (478, 602070), (564, 510265), (610, 471786), (658, 437370), (705, 408212), (717, 401380), (732, 393155), (854, 336990), (915, 314524), (940, 306159), (956, 301035), (987, 291580), (1195, 240828), (1220, 235893), (1281, 224660), (1316, 218685), (1410, 204106), (1434, 200690), (1645, 174948), (1673, 172020), (1708, 168495), (1830, 157262), (1974, 145790), (2135, 134796), (2390, 120414), (2562, 112330), (2820, 102053), (2867, 100380), (2868, 100345), (3290, 87474), (3346, 86010), (3585, 80276), (3660, 78631), (3948, 72895), (4270, 67398), (4780, 60207), (4935, 58316), (5019, 57340), (5124, 56165), (5734, 50190), (6405, 44932), (6580, 43737), (6692, 43005), (7170, 40138), (8365, 34404), (8540, 33699), (8601, 33460), (9870, 29158), (10038, 28670), (11233, 25620), (11468, 25095), (12810, 22466), (14335, 20076), (14340, 20069), (14579, 19740), (16730, 17202)]