28246140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12071}}^1$

素因数の和:12099

約数の個数: 72

約数和(自身を含む): 92278368

約数和(自身を除く): 64032228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12071, 24142, 36213, 48284, 60355, 72426, 108639, 120710, 144852, 156923, 181065, 217278, 241420, 313846, 362130, 434556, 470769, 543195, 627692, 724260, 784615, 941538, 1086390, 1412307, 1569230, 1883076, 2172780, 2353845, 2824614, 3138460, 4707690, 5649228, 7061535, 9415380, 14123070, 28246140]

約数ペア:

[(1, 28246140), (2, 14123070), (3, 9415380), (4, 7061535), (5, 5649228), (6, 4707690), (9, 3138460), (10, 2824614), (12, 2353845), (13, 2172780), (15, 1883076), (18, 1569230), (20, 1412307), (26, 1086390), (30, 941538), (36, 784615), (39, 724260), (45, 627692), (52, 543195), (60, 470769), (65, 434556), (78, 362130), (90, 313846), (117, 241420), (130, 217278), (156, 181065), (180, 156923), (195, 144852), (234, 120710), (260, 108639), (390, 72426), (468, 60355), (585, 48284), (780, 36213), (1170, 24142), (2340, 12071)]