16565640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 256

約数和(自身を含む): 64350720

約数和(自身を除く): 47785080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 41, 42, 52, 56, 60, 65, 70, 74, 78, 82, 84, 91, 104, 105, 111, 120, 123, 130, 140, 148, 156, 164, 168, 182, 185, 195, 205, 210, 222, 246, 259, 260, 273, 280, 287, 296, 312, 328, 364, 370, 390, 410, 420, 444, 455, 481, 492, 518, 520, 533, 546, 555, 574, 615, 728, 740, 777, 780, 820, 840, 861, 888, 910, 962, 984, 1036, 1066, 1092, 1110, 1148, 1230, 1295, 1365, 1435, 1443, 1480, 1517, 1554, 1560, 1599, 1640, 1722, 1820, 1924, 2072, 2132, 2184, 2220, 2296, 2405, 2460, 2590, 2665, 2730, 2870, 2886, 3034, 3108, 3198, 3367, 3444, 3640, 3731, 3848, 3885, 4264, 4305, 4440, 4551, 4810, 4920, 5180, 5330, 5460, 5740, 5772, 6068, 6216, 6396, 6734, 6888, 7215, 7462, 7585, 7770, 7995, 8610, 9102, 9620, 10101, 10360, 10619, 10660, 10920, 11193, 11480, 11544, 12136, 12792, 13468, 14430, 14924, 15170, 15540, 15990, 16835, 17220, 18204, 18655, 19240, 19721, 20202, 21238, 21320, 22386, 22755, 26936, 28860, 29848, 30340, 31080, 31857, 31980, 33670, 34440, 36408, 37310, 39442, 40404, 42476, 44772, 45510, 50505, 53095, 55965, 57720, 59163, 60680, 63714, 63960, 67340, 74620, 78884, 80808, 84952, 89544, 91020, 98605, 101010, 106190, 111930, 118326, 127428, 134680, 138047, 149240, 157768, 159285, 182040, 197210, 202020, 212380, 223860, 236652, 254856, 276094, 295815, 318570, 394420, 404040, 414141, 424760, 447720, 473304, 552188, 591630, 637140, 690235, 788840, 828282, 1104376, 1183260, 1274280, 1380470, 1656564, 2070705, 2366520, 2760940, 3313128, 4141410, 5521880, 8282820, 16565640]

約数ペア:

[(1, 16565640), (2, 8282820), (3, 5521880), (4, 4141410), (5, 3313128), (6, 2760940), (7, 2366520), (8, 2070705), (10, 1656564), (12, 1380470), (13, 1274280), (14, 1183260), (15, 1104376), (20, 828282), (21, 788840), (24, 690235), (26, 637140), (28, 591630), (30, 552188), (35, 473304), (37, 447720), (39, 424760), (40, 414141), (41, 404040), (42, 394420), (52, 318570), (56, 295815), (60, 276094), (65, 254856), (70, 236652), (74, 223860), (78, 212380), (82, 202020), (84, 197210), (91, 182040), (104, 159285), (105, 157768), (111, 149240), (120, 138047), (123, 134680), (130, 127428), (140, 118326), (148, 111930), (156, 106190), (164, 101010), (168, 98605), (182, 91020), (185, 89544), (195, 84952), (205, 80808), (210, 78884), (222, 74620), (246, 67340), (259, 63960), (260, 63714), (273, 60680), (280, 59163), (287, 57720), (296, 55965), (312, 53095), (328, 50505), (364, 45510), (370, 44772), (390, 42476), (410, 40404), (420, 39442), (444, 37310), (455, 36408), (481, 34440), (492, 33670), (518, 31980), (520, 31857), (533, 31080), (546, 30340), (555, 29848), (574, 28860), (615, 26936), (728, 22755), (740, 22386), (777, 21320), (780, 21238), (820, 20202), (840, 19721), (861, 19240), (888, 18655), (910, 18204), (962, 17220), (984, 16835), (1036, 15990), (1066, 15540), (1092, 15170), (1110, 14924), (1148, 14430), (1230, 13468), (1295, 12792), (1365, 12136), (1435, 11544), (1443, 11480), (1480, 11193), (1517, 10920), (1554, 10660), (1560, 10619), (1599, 10360), (1640, 10101), (1722, 9620), (1820, 9102), (1924, 8610), (2072, 7995), (2132, 7770), (2184, 7585), (2220, 7462), (2296, 7215), (2405, 6888), (2460, 6734), (2590, 6396), (2665, 6216), (2730, 6068), (2870, 5772), (2886, 5740), (3034, 5460), (3108, 5330), (3198, 5180), (3367, 4920), (3444, 4810), (3640, 4551), (3731, 4440), (3848, 4305), (3885, 4264)]