28184520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 256

約数和(自身を含む): 108864000

約数和(自身を除く): 80679480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 52, 56, 58, 60, 65, 70, 78, 84, 87, 89, 91, 104, 105, 116, 120, 130, 140, 145, 156, 168, 174, 178, 182, 195, 203, 210, 232, 260, 267, 273, 280, 290, 312, 348, 356, 364, 377, 390, 406, 420, 435, 445, 455, 520, 534, 546, 580, 609, 623, 696, 712, 728, 754, 780, 812, 840, 870, 890, 910, 1015, 1068, 1092, 1131, 1157, 1160, 1218, 1246, 1335, 1365, 1508, 1560, 1624, 1740, 1780, 1820, 1869, 1885, 2030, 2136, 2184, 2262, 2314, 2436, 2492, 2581, 2639, 2670, 2730, 3016, 3045, 3115, 3471, 3480, 3560, 3640, 3738, 3770, 4060, 4524, 4628, 4872, 4984, 5162, 5278, 5340, 5460, 5655, 5785, 6090, 6230, 6942, 7476, 7540, 7743, 7917, 8099, 8120, 9048, 9256, 9345, 10324, 10556, 10680, 10920, 11310, 11570, 12180, 12460, 12905, 13195, 13884, 14952, 15080, 15486, 15834, 16198, 17355, 18067, 18690, 20648, 21112, 22620, 23140, 24297, 24360, 24920, 25810, 26390, 27768, 30972, 31668, 32396, 33553, 34710, 36134, 37380, 38715, 39585, 40495, 45240, 46280, 48594, 51620, 52780, 54201, 61944, 63336, 64792, 67106, 69420, 72268, 74760, 77430, 79170, 80990, 90335, 97188, 100659, 103240, 105560, 108402, 121485, 134212, 138840, 144536, 154860, 158340, 161980, 167765, 180670, 194376, 201318, 216804, 234871, 242970, 268424, 271005, 309720, 316680, 323960, 335530, 361340, 402636, 433608, 469742, 485940, 503295, 542010, 671060, 704613, 722680, 805272, 939484, 971880, 1006590, 1084020, 1174355, 1342120, 1409226, 1878968, 2013180, 2168040, 2348710, 2818452, 3523065, 4026360, 4697420, 5636904, 7046130, 9394840, 14092260, 28184520]

約数ペア:

[(1, 28184520), (2, 14092260), (3, 9394840), (4, 7046130), (5, 5636904), (6, 4697420), (7, 4026360), (8, 3523065), (10, 2818452), (12, 2348710), (13, 2168040), (14, 2013180), (15, 1878968), (20, 1409226), (21, 1342120), (24, 1174355), (26, 1084020), (28, 1006590), (29, 971880), (30, 939484), (35, 805272), (39, 722680), (40, 704613), (42, 671060), (52, 542010), (56, 503295), (58, 485940), (60, 469742), (65, 433608), (70, 402636), (78, 361340), (84, 335530), (87, 323960), (89, 316680), (91, 309720), (104, 271005), (105, 268424), (116, 242970), (120, 234871), (130, 216804), (140, 201318), (145, 194376), (156, 180670), (168, 167765), (174, 161980), (178, 158340), (182, 154860), (195, 144536), (203, 138840), (210, 134212), (232, 121485), (260, 108402), (267, 105560), (273, 103240), (280, 100659), (290, 97188), (312, 90335), (348, 80990), (356, 79170), (364, 77430), (377, 74760), (390, 72268), (406, 69420), (420, 67106), (435, 64792), (445, 63336), (455, 61944), (520, 54201), (534, 52780), (546, 51620), (580, 48594), (609, 46280), (623, 45240), (696, 40495), (712, 39585), (728, 38715), (754, 37380), (780, 36134), (812, 34710), (840, 33553), (870, 32396), (890, 31668), (910, 30972), (1015, 27768), (1068, 26390), (1092, 25810), (1131, 24920), (1157, 24360), (1160, 24297), (1218, 23140), (1246, 22620), (1335, 21112), (1365, 20648), (1508, 18690), (1560, 18067), (1624, 17355), (1740, 16198), (1780, 15834), (1820, 15486), (1869, 15080), (1885, 14952), (2030, 13884), (2136, 13195), (2184, 12905), (2262, 12460), (2314, 12180), (2436, 11570), (2492, 11310), (2581, 10920), (2639, 10680), (2670, 10556), (2730, 10324), (3016, 9345), (3045, 9256), (3115, 9048), (3471, 8120), (3480, 8099), (3560, 7917), (3640, 7743), (3738, 7540), (3770, 7476), (4060, 6942), (4524, 6230), (4628, 6090), (4872, 5785), (4984, 5655), (5162, 5460), (5278, 5340)]