81216432

素因数分解:

$2^4\times 3^7\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 258673920

約数和(自身を除く): 177457488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 211, 216, 243, 264, 297, 324, 396, 422, 432, 486, 528, 594, 633, 648, 729, 792, 844, 891, 972, 1188, 1266, 1296, 1458, 1584, 1688, 1782, 1899, 1944, 2187, 2321, 2376, 2532, 2673, 2916, 3376, 3564, 3798, 3888, 4374, 4642, 4752, 5064, 5346, 5697, 5832, 6963, 7128, 7596, 8019, 8748, 9284, 10128, 10692, 11394, 11664, 13926, 14256, 15192, 16038, 17091, 17496, 18568, 20889, 21384, 22788, 24057, 27852, 30384, 32076, 34182, 34992, 37136, 41778, 42768, 45576, 48114, 51273, 55704, 62667, 64152, 68364, 83556, 91152, 96228, 102546, 111408, 125334, 128304, 136728, 153819, 167112, 188001, 192456, 205092, 250668, 273456, 307638, 334224, 376002, 384912, 410184, 461457, 501336, 564003, 615276, 752004, 820368, 922914, 1002672, 1128006, 1230552, 1504008, 1692009, 1845828, 2256012, 2461104, 3008016, 3384018, 3691656, 4512024, 5076027, 6768036, 7383312, 9024048, 10152054, 13536072, 20304108, 27072144, 40608216, 81216432]

約数ペア:

[(1, 81216432), (2, 40608216), (3, 27072144), (4, 20304108), (6, 13536072), (8, 10152054), (9, 9024048), (11, 7383312), (12, 6768036), (16, 5076027), (18, 4512024), (22, 3691656), (24, 3384018), (27, 3008016), (33, 2461104), (36, 2256012), (44, 1845828), (48, 1692009), (54, 1504008), (66, 1230552), (72, 1128006), (81, 1002672), (88, 922914), (99, 820368), (108, 752004), (132, 615276), (144, 564003), (162, 501336), (176, 461457), (198, 410184), (211, 384912), (216, 376002), (243, 334224), (264, 307638), (297, 273456), (324, 250668), (396, 205092), (422, 192456), (432, 188001), (486, 167112), (528, 153819), (594, 136728), (633, 128304), (648, 125334), (729, 111408), (792, 102546), (844, 96228), (891, 91152), (972, 83556), (1188, 68364), (1266, 64152), (1296, 62667), (1458, 55704), (1584, 51273), (1688, 48114), (1782, 45576), (1899, 42768), (1944, 41778), (2187, 37136), (2321, 34992), (2376, 34182), (2532, 32076), (2673, 30384), (2916, 27852), (3376, 24057), (3564, 22788), (3798, 21384), (3888, 20889), (4374, 18568), (4642, 17496), (4752, 17091), (5064, 16038), (5346, 15192), (5697, 14256), (5832, 13926), (6963, 11664), (7128, 11394), (7596, 10692), (8019, 10128), (8748, 9284)]