217569780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 192

約数和(自身を含む): 718018560

約数和(自身を除く): 500448780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 41, 45, 54, 60, 62, 82, 90, 93, 108, 123, 124, 135, 155, 164, 180, 186, 205, 246, 270, 279, 310, 317, 369, 372, 410, 465, 492, 540, 558, 615, 620, 634, 738, 820, 837, 930, 951, 1107, 1116, 1230, 1268, 1271, 1395, 1476, 1585, 1674, 1845, 1860, 1902, 2214, 2460, 2542, 2790, 2853, 3170, 3348, 3690, 3804, 3813, 4185, 4428, 4755, 5084, 5535, 5580, 5706, 6340, 6355, 7380, 7626, 8370, 8559, 9510, 9827, 11070, 11412, 11439, 12710, 12997, 14265, 15252, 16740, 17118, 19020, 19065, 19654, 22140, 22878, 25420, 25994, 28530, 29481, 34236, 34317, 38130, 38991, 39308, 42795, 45756, 49135, 51988, 57060, 57195, 58962, 64985, 68634, 76260, 77982, 85590, 88443, 98270, 114390, 116973, 117924, 129970, 137268, 147405, 155964, 171180, 171585, 176886, 194955, 196540, 228780, 233946, 259940, 265329, 294810, 343170, 350919, 353772, 389910, 402907, 442215, 467892, 530658, 584865, 589620, 686340, 701838, 779820, 805814, 884430, 1061316, 1169730, 1208721, 1326645, 1403676, 1611628, 1754595, 1768860, 2014535, 2339460, 2417442, 2653290, 3509190, 3626163, 4029070, 4834884, 5306580, 6043605, 7018380, 7252326, 8058140, 10878489, 12087210, 14504652, 18130815, 21756978, 24174420, 36261630, 43513956, 54392445, 72523260, 108784890, 217569780]

約数ペア:

[(1, 217569780), (2, 108784890), (3, 72523260), (4, 54392445), (5, 43513956), (6, 36261630), (9, 24174420), (10, 21756978), (12, 18130815), (15, 14504652), (18, 12087210), (20, 10878489), (27, 8058140), (30, 7252326), (31, 7018380), (36, 6043605), (41, 5306580), (45, 4834884), (54, 4029070), (60, 3626163), (62, 3509190), (82, 2653290), (90, 2417442), (93, 2339460), (108, 2014535), (123, 1768860), (124, 1754595), (135, 1611628), (155, 1403676), (164, 1326645), (180, 1208721), (186, 1169730), (205, 1061316), (246, 884430), (270, 805814), (279, 779820), (310, 701838), (317, 686340), (369, 589620), (372, 584865), (410, 530658), (465, 467892), (492, 442215), (540, 402907), (558, 389910), (615, 353772), (620, 350919), (634, 343170), (738, 294810), (820, 265329), (837, 259940), (930, 233946), (951, 228780), (1107, 196540), (1116, 194955), (1230, 176886), (1268, 171585), (1271, 171180), (1395, 155964), (1476, 147405), (1585, 137268), (1674, 129970), (1845, 117924), (1860, 116973), (1902, 114390), (2214, 98270), (2460, 88443), (2542, 85590), (2790, 77982), (2853, 76260), (3170, 68634), (3348, 64985), (3690, 58962), (3804, 57195), (3813, 57060), (4185, 51988), (4428, 49135), (4755, 45756), (5084, 42795), (5535, 39308), (5580, 38991), (5706, 38130), (6340, 34317), (6355, 34236), (7380, 29481), (7626, 28530), (8370, 25994), (8559, 25420), (9510, 22878), (9827, 22140), (11070, 19654), (11412, 19065), (11439, 19020), (12710, 17118), (12997, 16740), (14265, 15252)]