28029660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 82555200

約数和(自身を除く): 54525540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 89, 116, 145, 174, 178, 181, 267, 290, 348, 356, 362, 435, 445, 534, 543, 580, 724, 870, 890, 905, 1068, 1086, 1335, 1740, 1780, 1810, 2172, 2581, 2670, 2715, 3620, 5162, 5249, 5340, 5430, 7743, 10324, 10498, 10860, 12905, 15486, 15747, 16109, 20996, 25810, 26245, 30972, 31494, 32218, 38715, 48327, 51620, 52490, 62988, 64436, 77430, 78735, 80545, 96654, 104980, 154860, 157470, 161090, 193308, 241635, 314940, 322180, 467161, 483270, 934322, 966540, 1401483, 1868644, 2335805, 2802966, 4671610, 5605932, 7007415, 9343220, 14014830, 28029660]

約数ペア:

[(1, 28029660), (2, 14014830), (3, 9343220), (4, 7007415), (5, 5605932), (6, 4671610), (10, 2802966), (12, 2335805), (15, 1868644), (20, 1401483), (29, 966540), (30, 934322), (58, 483270), (60, 467161), (87, 322180), (89, 314940), (116, 241635), (145, 193308), (174, 161090), (178, 157470), (181, 154860), (267, 104980), (290, 96654), (348, 80545), (356, 78735), (362, 77430), (435, 64436), (445, 62988), (534, 52490), (543, 51620), (580, 48327), (724, 38715), (870, 32218), (890, 31494), (905, 30972), (1068, 26245), (1086, 25810), (1335, 20996), (1740, 16109), (1780, 15747), (1810, 15486), (2172, 12905), (2581, 10860), (2670, 10498), (2715, 10324), (3620, 7743), (5162, 5430), (5249, 5340)]