287474460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1492

約数の個数: 192

約数和(自身を含む): 1018171392

約数和(自身を除く): 730696932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 37, 39, 42, 52, 60, 65, 70, 74, 78, 84, 91, 105, 111, 130, 140, 148, 156, 182, 185, 195, 210, 222, 259, 260, 273, 364, 370, 390, 420, 444, 455, 481, 518, 546, 555, 740, 777, 780, 910, 962, 1036, 1092, 1110, 1295, 1365, 1423, 1443, 1554, 1820, 1924, 2220, 2405, 2590, 2730, 2846, 2886, 3108, 3367, 3885, 4269, 4810, 5180, 5460, 5692, 5772, 6734, 7115, 7215, 7770, 8538, 9620, 9961, 10101, 13468, 14230, 14430, 15540, 16835, 17076, 18499, 19922, 20202, 21345, 28460, 28860, 29883, 33670, 36998, 39844, 40404, 42690, 49805, 50505, 52651, 55497, 59766, 67340, 73996, 85380, 92495, 99610, 101010, 105302, 110994, 119532, 129493, 149415, 157953, 184990, 199220, 202020, 210604, 221988, 258986, 263255, 277485, 298830, 315906, 368557, 369980, 388479, 517972, 526510, 554970, 597660, 631812, 647465, 684463, 737114, 776958, 789765, 1053020, 1105671, 1109940, 1294930, 1368926, 1474228, 1553916, 1579530, 1842785, 1942395, 2053389, 2211342, 2589860, 2737852, 3159060, 3422315, 3685570, 3884790, 4106778, 4422684, 4791241, 5528355, 6844630, 7371140, 7769580, 8213556, 9582482, 10266945, 11056710, 13689260, 14373723, 19164964, 20533890, 22113420, 23956205, 28747446, 41067780, 47912410, 57494892, 71868615, 95824820, 143737230, 287474460]

約数ペア:

[(1, 287474460), (2, 143737230), (3, 95824820), (4, 71868615), (5, 57494892), (6, 47912410), (7, 41067780), (10, 28747446), (12, 23956205), (13, 22113420), (14, 20533890), (15, 19164964), (20, 14373723), (21, 13689260), (26, 11056710), (28, 10266945), (30, 9582482), (35, 8213556), (37, 7769580), (39, 7371140), (42, 6844630), (52, 5528355), (60, 4791241), (65, 4422684), (70, 4106778), (74, 3884790), (78, 3685570), (84, 3422315), (91, 3159060), (105, 2737852), (111, 2589860), (130, 2211342), (140, 2053389), (148, 1942395), (156, 1842785), (182, 1579530), (185, 1553916), (195, 1474228), (210, 1368926), (222, 1294930), (259, 1109940), (260, 1105671), (273, 1053020), (364, 789765), (370, 776958), (390, 737114), (420, 684463), (444, 647465), (455, 631812), (481, 597660), (518, 554970), (546, 526510), (555, 517972), (740, 388479), (777, 369980), (780, 368557), (910, 315906), (962, 298830), (1036, 277485), (1092, 263255), (1110, 258986), (1295, 221988), (1365, 210604), (1423, 202020), (1443, 199220), (1554, 184990), (1820, 157953), (1924, 149415), (2220, 129493), (2405, 119532), (2590, 110994), (2730, 105302), (2846, 101010), (2886, 99610), (3108, 92495), (3367, 85380), (3885, 73996), (4269, 67340), (4810, 59766), (5180, 55497), (5460, 52651), (5692, 50505), (5772, 49805), (6734, 42690), (7115, 40404), (7215, 39844), (7770, 36998), (8538, 33670), (9620, 29883), (9961, 28860), (10101, 28460), (13468, 21345), (14230, 20202), (14430, 19922), (15540, 18499), (16835, 17076)]