18005480080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{13841}}^1$

素因数の和:13985

約数の個数: 160

約数和(自身を含む): 50421201408

約数和(自身を除く): 32415721328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 101, 112, 115, 140, 161, 184, 202, 230, 280, 322, 368, 404, 460, 505, 560, 644, 707, 805, 808, 920, 1010, 1288, 1414, 1610, 1616, 1840, 2020, 2323, 2576, 2828, 3220, 3535, 4040, 4646, 5656, 6440, 7070, 8080, 9292, 11312, 11615, 12880, 13841, 14140, 16261, 18584, 23230, 27682, 28280, 32522, 37168, 46460, 55364, 56560, 65044, 69205, 81305, 92920, 96887, 110728, 130088, 138410, 162610, 185840, 193774, 221456, 260176, 276820, 318343, 325220, 387548, 484435, 553640, 636686, 650440, 775096, 968870, 1107280, 1273372, 1300880, 1397941, 1550192, 1591715, 1937740, 2228401, 2546744, 2795882, 3183430, 3875480, 4456802, 5093488, 5591764, 6366860, 6989705, 7750960, 8913604, 9785587, 11142005, 11183528, 12733720, 13979410, 17827208, 19571174, 22284010, 22367056, 25467440, 27958820, 32152643, 35654416, 39142348, 44568020, 48927935, 55917640, 64305286, 78284696, 89136040, 97855870, 111835280, 128610572, 156569392, 160763215, 178272080, 195711740, 225068501, 257221144, 321526430, 391423480, 450137002, 514442288, 643052860, 782846960, 900274004, 1125342505, 1286105720, 1800548008, 2250685010, 2572211440, 3601096016, 4501370020, 9002740040, 18005480080]

約数ペア:

[(1, 18005480080), (2, 9002740040), (4, 4501370020), (5, 3601096016), (7, 2572211440), (8, 2250685010), (10, 1800548008), (14, 1286105720), (16, 1125342505), (20, 900274004), (23, 782846960), (28, 643052860), (35, 514442288), (40, 450137002), (46, 391423480), (56, 321526430), (70, 257221144), (80, 225068501), (92, 195711740), (101, 178272080), (112, 160763215), (115, 156569392), (140, 128610572), (161, 111835280), (184, 97855870), (202, 89136040), (230, 78284696), (280, 64305286), (322, 55917640), (368, 48927935), (404, 44568020), (460, 39142348), (505, 35654416), (560, 32152643), (644, 27958820), (707, 25467440), (805, 22367056), (808, 22284010), (920, 19571174), (1010, 17827208), (1288, 13979410), (1414, 12733720), (1610, 11183528), (1616, 11142005), (1840, 9785587), (2020, 8913604), (2323, 7750960), (2576, 6989705), (2828, 6366860), (3220, 5591764), (3535, 5093488), (4040, 4456802), (4646, 3875480), (5656, 3183430), (6440, 2795882), (7070, 2546744), (8080, 2228401), (9292, 1937740), (11312, 1591715), (11615, 1550192), (12880, 1397941), (13841, 1300880), (14140, 1273372), (16261, 1107280), (18584, 968870), (23230, 775096), (27682, 650440), (28280, 636686), (32522, 553640), (37168, 484435), (46460, 387548), (55364, 325220), (56560, 318343), (65044, 276820), (69205, 260176), (81305, 221456), (92920, 193774), (96887, 185840), (110728, 162610), (130088, 138410)]