217389360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:587

約数の個数: 160

約数和(自身を含む): 708526080

約数和(自身を除く): 491136720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 61, 62, 80, 93, 120, 122, 124, 155, 183, 186, 240, 244, 248, 305, 310, 366, 372, 465, 479, 488, 496, 610, 620, 732, 744, 915, 930, 958, 976, 1220, 1240, 1437, 1464, 1488, 1830, 1860, 1891, 1916, 2395, 2440, 2480, 2874, 2928, 3660, 3720, 3782, 3832, 4790, 4880, 5673, 5748, 7185, 7320, 7440, 7564, 7664, 9455, 9580, 11346, 11496, 14370, 14640, 14849, 15128, 18910, 19160, 22692, 22992, 28365, 28740, 29219, 29698, 30256, 37820, 38320, 44547, 45384, 56730, 57480, 58438, 59396, 74245, 75640, 87657, 89094, 90768, 113460, 114960, 116876, 118792, 146095, 148490, 151280, 175314, 178188, 222735, 226920, 233752, 237584, 292190, 296980, 350628, 356376, 438285, 445470, 453840, 467504, 584380, 593960, 701256, 712752, 876570, 890940, 905789, 1168760, 1187920, 1402512, 1753140, 1781880, 1811578, 2337520, 2717367, 3506280, 3563760, 3623156, 4528945, 5434734, 7012560, 7246312, 9057890, 10869468, 13586835, 14492624, 18115780, 21738936, 27173670, 36231560, 43477872, 54347340, 72463120, 108694680, 217389360]

約数ペア:

[(1, 217389360), (2, 108694680), (3, 72463120), (4, 54347340), (5, 43477872), (6, 36231560), (8, 27173670), (10, 21738936), (12, 18115780), (15, 14492624), (16, 13586835), (20, 10869468), (24, 9057890), (30, 7246312), (31, 7012560), (40, 5434734), (48, 4528945), (60, 3623156), (61, 3563760), (62, 3506280), (80, 2717367), (93, 2337520), (120, 1811578), (122, 1781880), (124, 1753140), (155, 1402512), (183, 1187920), (186, 1168760), (240, 905789), (244, 890940), (248, 876570), (305, 712752), (310, 701256), (366, 593960), (372, 584380), (465, 467504), (479, 453840), (488, 445470), (496, 438285), (610, 356376), (620, 350628), (732, 296980), (744, 292190), (915, 237584), (930, 233752), (958, 226920), (976, 222735), (1220, 178188), (1240, 175314), (1437, 151280), (1464, 148490), (1488, 146095), (1830, 118792), (1860, 116876), (1891, 114960), (1916, 113460), (2395, 90768), (2440, 89094), (2480, 87657), (2874, 75640), (2928, 74245), (3660, 59396), (3720, 58438), (3782, 57480), (3832, 56730), (4790, 45384), (4880, 44547), (5673, 38320), (5748, 37820), (7185, 30256), (7320, 29698), (7440, 29219), (7564, 28740), (7664, 28365), (9455, 22992), (9580, 22692), (11346, 19160), (11496, 18910), (14370, 15128), (14640, 14849)]