30781920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4933}}^1$

素因数の和:4964

約数の個数: 96

約数和(自身を含む): 104442912

約数和(自身を除く): 73660992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 4933, 6240, 9866, 14799, 19732, 24665, 29598, 39464, 49330, 59196, 64129, 73995, 78928, 98660, 118392, 128258, 147990, 157856, 192387, 197320, 236784, 256516, 295980, 320645, 384774, 394640, 473568, 513032, 591960, 641290, 769548, 789280, 961935, 1026064, 1183920, 1282580, 1539096, 1923870, 2052128, 2367840, 2565160, 3078192, 3847740, 5130320, 6156384, 7695480, 10260640, 15390960, 30781920]

約数ペア:

[(1, 30781920), (2, 15390960), (3, 10260640), (4, 7695480), (5, 6156384), (6, 5130320), (8, 3847740), (10, 3078192), (12, 2565160), (13, 2367840), (15, 2052128), (16, 1923870), (20, 1539096), (24, 1282580), (26, 1183920), (30, 1026064), (32, 961935), (39, 789280), (40, 769548), (48, 641290), (52, 591960), (60, 513032), (65, 473568), (78, 394640), (80, 384774), (96, 320645), (104, 295980), (120, 256516), (130, 236784), (156, 197320), (160, 192387), (195, 157856), (208, 147990), (240, 128258), (260, 118392), (312, 98660), (390, 78928), (416, 73995), (480, 64129), (520, 59196), (624, 49330), (780, 39464), (1040, 29598), (1248, 24665), (1560, 19732), (2080, 14799), (3120, 9866), (4933, 6240)]