31407480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2237}}^1$

素因数の和:2270

約数の個数: 128

約数和(自身を含む): 112795200

約数和(自身を除く): 81387720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2237, 2340, 2808, 3510, 4474, 4680, 6711, 7020, 8948, 11185, 13422, 14040, 17896, 20133, 22370, 26844, 29081, 33555, 40266, 44740, 53688, 58162, 60399, 67110, 80532, 87243, 89480, 100665, 116324, 120798, 134220, 145405, 161064, 174486, 201330, 232648, 241596, 261729, 268440, 290810, 301995, 348972, 402660, 436215, 483192, 523458, 581620, 603990, 697944, 785187, 805320, 872430, 1046916, 1163240, 1207980, 1308645, 1570374, 1744860, 2093832, 2415960, 2617290, 3140748, 3489720, 3925935, 5234580, 6281496, 7851870, 10469160, 15703740, 31407480]

約数ペア:

[(1, 31407480), (2, 15703740), (3, 10469160), (4, 7851870), (5, 6281496), (6, 5234580), (8, 3925935), (9, 3489720), (10, 3140748), (12, 2617290), (13, 2415960), (15, 2093832), (18, 1744860), (20, 1570374), (24, 1308645), (26, 1207980), (27, 1163240), (30, 1046916), (36, 872430), (39, 805320), (40, 785187), (45, 697944), (52, 603990), (54, 581620), (60, 523458), (65, 483192), (72, 436215), (78, 402660), (90, 348972), (104, 301995), (108, 290810), (117, 268440), (120, 261729), (130, 241596), (135, 232648), (156, 201330), (180, 174486), (195, 161064), (216, 145405), (234, 134220), (260, 120798), (270, 116324), (312, 100665), (351, 89480), (360, 87243), (390, 80532), (468, 67110), (520, 60399), (540, 58162), (585, 53688), (702, 44740), (780, 40266), (936, 33555), (1080, 29081), (1170, 26844), (1404, 22370), (1560, 20133), (1755, 17896), (2237, 14040), (2340, 13422), (2808, 11185), (3510, 8948), (4474, 7020), (4680, 6711)]