210260820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:742

約数の個数: 192

約数和(自身を含む): 745500672

約数和(自身を除く): 535239852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 71, 77, 84, 105, 110, 132, 140, 142, 154, 165, 210, 213, 220, 231, 284, 308, 330, 355, 385, 420, 426, 462, 497, 641, 660, 710, 770, 781, 852, 924, 994, 1065, 1155, 1282, 1420, 1491, 1540, 1562, 1923, 1988, 2130, 2310, 2343, 2485, 2564, 2982, 3124, 3205, 3846, 3905, 4260, 4487, 4620, 4686, 4970, 5467, 5964, 6410, 7051, 7455, 7692, 7810, 8974, 9372, 9615, 9940, 10934, 11715, 12820, 13461, 14102, 14910, 15620, 16401, 17948, 19230, 21153, 21868, 22435, 23430, 26922, 27335, 28204, 29820, 32802, 35255, 38460, 42306, 44870, 45511, 46860, 49357, 53844, 54670, 65604, 67305, 70510, 82005, 84612, 89740, 91022, 98714, 105765, 109340, 134610, 136533, 141020, 148071, 164010, 182044, 197428, 211530, 227555, 246785, 269220, 273066, 296142, 318577, 328020, 423060, 455110, 493570, 500621, 546132, 592284, 637154, 682665, 740355, 910220, 955731, 987140, 1001242, 1274308, 1365330, 1480710, 1501863, 1592885, 1911462, 2002484, 2503105, 2730660, 2961420, 3003726, 3185770, 3504347, 3822924, 4778655, 5006210, 6007452, 6371540, 7008694, 7509315, 9557310, 10012420, 10513041, 14017388, 15018630, 17521735, 19114620, 21026082, 30037260, 35043470, 42052164, 52565205, 70086940, 105130410, 210260820]

約数ペア:

[(1, 210260820), (2, 105130410), (3, 70086940), (4, 52565205), (5, 42052164), (6, 35043470), (7, 30037260), (10, 21026082), (11, 19114620), (12, 17521735), (14, 15018630), (15, 14017388), (20, 10513041), (21, 10012420), (22, 9557310), (28, 7509315), (30, 7008694), (33, 6371540), (35, 6007452), (42, 5006210), (44, 4778655), (55, 3822924), (60, 3504347), (66, 3185770), (70, 3003726), (71, 2961420), (77, 2730660), (84, 2503105), (105, 2002484), (110, 1911462), (132, 1592885), (140, 1501863), (142, 1480710), (154, 1365330), (165, 1274308), (210, 1001242), (213, 987140), (220, 955731), (231, 910220), (284, 740355), (308, 682665), (330, 637154), (355, 592284), (385, 546132), (420, 500621), (426, 493570), (462, 455110), (497, 423060), (641, 328020), (660, 318577), (710, 296142), (770, 273066), (781, 269220), (852, 246785), (924, 227555), (994, 211530), (1065, 197428), (1155, 182044), (1282, 164010), (1420, 148071), (1491, 141020), (1540, 136533), (1562, 134610), (1923, 109340), (1988, 105765), (2130, 98714), (2310, 91022), (2343, 89740), (2485, 84612), (2564, 82005), (2982, 70510), (3124, 67305), (3205, 65604), (3846, 54670), (3905, 53844), (4260, 49357), (4487, 46860), (4620, 45511), (4686, 44870), (4970, 42306), (5467, 38460), (5964, 35255), (6410, 32802), (7051, 29820), (7455, 28204), (7692, 27335), (7810, 26922), (8974, 23430), (9372, 22435), (9615, 21868), (9940, 21153), (10934, 19230), (11715, 17948), (12820, 16401), (13461, 15620), (14102, 14910)]