28187640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:366

約数の個数: 192

約数和(自身を含む): 104176800

約数和(自身を除く): 75989160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 317, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 634, 684, 741, 760, 780, 855, 936, 951, 988, 1140, 1170, 1235, 1268, 1368, 1482, 1560, 1585, 1710, 1902, 1976, 2223, 2280, 2340, 2470, 2536, 2853, 2964, 3170, 3420, 3705, 3804, 4121, 4446, 4680, 4755, 4940, 5706, 5928, 6023, 6340, 6840, 7410, 7608, 8242, 8892, 9510, 9880, 11115, 11412, 12046, 12363, 12680, 14265, 14820, 16484, 17784, 18069, 19020, 20605, 22230, 22824, 24092, 24726, 28530, 29640, 30115, 32968, 36138, 37089, 38040, 41210, 44460, 48184, 49452, 54207, 57060, 60230, 61815, 72276, 74178, 78299, 82420, 88920, 90345, 98904, 108414, 114120, 120460, 123630, 144552, 148356, 156598, 164840, 180690, 185445, 216828, 234897, 240920, 247260, 271035, 296712, 313196, 361380, 370890, 391495, 433656, 469794, 494520, 542070, 626392, 704691, 722760, 741780, 782990, 939588, 1084140, 1174485, 1409382, 1483560, 1565980, 1879176, 2168280, 2348970, 2818764, 3131960, 3523455, 4697940, 5637528, 7046910, 9395880, 14093820, 28187640]

約数ペア:

[(1, 28187640), (2, 14093820), (3, 9395880), (4, 7046910), (5, 5637528), (6, 4697940), (8, 3523455), (9, 3131960), (10, 2818764), (12, 2348970), (13, 2168280), (15, 1879176), (18, 1565980), (19, 1483560), (20, 1409382), (24, 1174485), (26, 1084140), (30, 939588), (36, 782990), (38, 741780), (39, 722760), (40, 704691), (45, 626392), (52, 542070), (57, 494520), (60, 469794), (65, 433656), (72, 391495), (76, 370890), (78, 361380), (90, 313196), (95, 296712), (104, 271035), (114, 247260), (117, 240920), (120, 234897), (130, 216828), (152, 185445), (156, 180690), (171, 164840), (180, 156598), (190, 148356), (195, 144552), (228, 123630), (234, 120460), (247, 114120), (260, 108414), (285, 98904), (312, 90345), (317, 88920), (342, 82420), (360, 78299), (380, 74178), (390, 72276), (456, 61815), (468, 60230), (494, 57060), (520, 54207), (570, 49452), (585, 48184), (634, 44460), (684, 41210), (741, 38040), (760, 37089), (780, 36138), (855, 32968), (936, 30115), (951, 29640), (988, 28530), (1140, 24726), (1170, 24092), (1235, 22824), (1268, 22230), (1368, 20605), (1482, 19020), (1560, 18069), (1585, 17784), (1710, 16484), (1902, 14820), (1976, 14265), (2223, 12680), (2280, 12363), (2340, 12046), (2470, 11412), (2536, 11115), (2853, 9880), (2964, 9510), (3170, 8892), (3420, 8242), (3705, 7608), (3804, 7410), (4121, 6840), (4446, 6340), (4680, 6023), (4755, 5928), (4940, 5706)]