2319700240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 240

約数和(自身を含む): 6578203968

約数和(自身を除く): 4258503728

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 211, 220, 248, 260, 286, 310, 341, 403, 422, 440, 496, 520, 572, 620, 682, 715, 806, 844, 880, 961, 1040, 1055, 1144, 1240, 1364, 1430, 1612, 1688, 1705, 1922, 2015, 2110, 2288, 2321, 2480, 2728, 2743, 2860, 3224, 3376, 3410, 3844, 4030, 4220, 4433, 4642, 4805, 5456, 5486, 5720, 6448, 6541, 6820, 7688, 8060, 8440, 8866, 9284, 9610, 10571, 10972, 11440, 11605, 12493, 13082, 13640, 13715, 15376, 16120, 16880, 17732, 18568, 19220, 21142, 21944, 22165, 23210, 24986, 26164, 27280, 27430, 30173, 32240, 32705, 35464, 37136, 38440, 42284, 43888, 44330, 46420, 49972, 52328, 52855, 54860, 60346, 62465, 65410, 70928, 71951, 76880, 84568, 85033, 88660, 92840, 99944, 104656, 105710, 109720, 120692, 124930, 130820, 137423, 143902, 150865, 169136, 170066, 177320, 185680, 199888, 202771, 211420, 219440, 241384, 249860, 261640, 274846, 287804, 301730, 340132, 354640, 359755, 405542, 422840, 425165, 482768, 499720, 523280, 549692, 575608, 603460, 680264, 687115, 719510, 811084, 845680, 850330, 935363, 999440, 1013855, 1099384, 1151216, 1206920, 1360528, 1374230, 1439020, 1622168, 1700660, 1870726, 2027710, 2198768, 2230481, 2413840, 2636023, 2748460, 2878040, 3244336, 3401320, 3741452, 4055420, 4460962, 4676815, 5272046, 5496920, 5756080, 6802640, 7482904, 8110840, 8921924, 9353630, 10544092, 10993840, 11152405, 13180115, 14965808, 16221680, 17843848, 18707260, 21088184, 22304810, 26360230, 28996253, 35687696, 37414520, 42176368, 44609620, 52720460, 57992506, 74829040, 89219240, 105440920, 115985012, 144981265, 178438480, 210881840, 231970024, 289962530, 463940048, 579925060, 1159850120, 2319700240]

約数ペア:

[(1, 2319700240), (2, 1159850120), (4, 579925060), (5, 463940048), (8, 289962530), (10, 231970024), (11, 210881840), (13, 178438480), (16, 144981265), (20, 115985012), (22, 105440920), (26, 89219240), (31, 74829040), (40, 57992506), (44, 52720460), (52, 44609620), (55, 42176368), (62, 37414520), (65, 35687696), (80, 28996253), (88, 26360230), (104, 22304810), (110, 21088184), (124, 18707260), (130, 17843848), (143, 16221680), (155, 14965808), (176, 13180115), (208, 11152405), (211, 10993840), (220, 10544092), (248, 9353630), (260, 8921924), (286, 8110840), (310, 7482904), (341, 6802640), (403, 5756080), (422, 5496920), (440, 5272046), (496, 4676815), (520, 4460962), (572, 4055420), (620, 3741452), (682, 3401320), (715, 3244336), (806, 2878040), (844, 2748460), (880, 2636023), (961, 2413840), (1040, 2230481), (1055, 2198768), (1144, 2027710), (1240, 1870726), (1364, 1700660), (1430, 1622168), (1612, 1439020), (1688, 1374230), (1705, 1360528), (1922, 1206920), (2015, 1151216), (2110, 1099384), (2288, 1013855), (2321, 999440), (2480, 935363), (2728, 850330), (2743, 845680), (2860, 811084), (3224, 719510), (3376, 687115), (3410, 680264), (3844, 603460), (4030, 575608), (4220, 549692), (4433, 523280), (4642, 499720), (4805, 482768), (5456, 425165), (5486, 422840), (5720, 405542), (6448, 359755), (6541, 354640), (6820, 340132), (7688, 301730), (8060, 287804), (8440, 274846), (8866, 261640), (9284, 249860), (9610, 241384), (10571, 219440), (10972, 211420), (11440, 202771), (11605, 199888), (12493, 185680), (13082, 177320), (13640, 170066), (13715, 169136), (15376, 150865), (16120, 143902), (16880, 137423), (17732, 130820), (18568, 124930), (19220, 120692), (21142, 109720), (21944, 105710), (22165, 104656), (23210, 99944), (24986, 92840), (26164, 88660), (27280, 85033), (27430, 84568), (30173, 76880), (32240, 71951), (32705, 70928), (35464, 65410), (37136, 62465), (38440, 60346), (42284, 54860), (43888, 52855), (44330, 52328), (46420, 49972)]