39878640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:687

約数の個数: 120

約数和(自身を含む): 135543408

約数和(自身を除く): 95664768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 291, 360, 388, 485, 571, 582, 720, 776, 873, 970, 1142, 1164, 1455, 1552, 1713, 1746, 1940, 2284, 2328, 2855, 2910, 3426, 3492, 3880, 4365, 4568, 4656, 5139, 5710, 5820, 6852, 6984, 7760, 8565, 8730, 9136, 10278, 11420, 11640, 13704, 13968, 17130, 17460, 20556, 22840, 23280, 25695, 27408, 34260, 34920, 41112, 45680, 51390, 55387, 68520, 69840, 82224, 102780, 110774, 137040, 166161, 205560, 221548, 276935, 332322, 411120, 443096, 498483, 553870, 664644, 830805, 886192, 996966, 1107740, 1329288, 1661610, 1993932, 2215480, 2492415, 2658576, 3323220, 3987864, 4430960, 4984830, 6646440, 7975728, 9969660, 13292880, 19939320, 39878640]

約数ペア:

[(1, 39878640), (2, 19939320), (3, 13292880), (4, 9969660), (5, 7975728), (6, 6646440), (8, 4984830), (9, 4430960), (10, 3987864), (12, 3323220), (15, 2658576), (16, 2492415), (18, 2215480), (20, 1993932), (24, 1661610), (30, 1329288), (36, 1107740), (40, 996966), (45, 886192), (48, 830805), (60, 664644), (72, 553870), (80, 498483), (90, 443096), (97, 411120), (120, 332322), (144, 276935), (180, 221548), (194, 205560), (240, 166161), (291, 137040), (360, 110774), (388, 102780), (485, 82224), (571, 69840), (582, 68520), (720, 55387), (776, 51390), (873, 45680), (970, 41112), (1142, 34920), (1164, 34260), (1455, 27408), (1552, 25695), (1713, 23280), (1746, 22840), (1940, 20556), (2284, 17460), (2328, 17130), (2855, 13968), (2910, 13704), (3426, 11640), (3492, 11420), (3880, 10278), (4365, 9136), (4568, 8730), (4656, 8565), (5139, 7760), (5710, 6984), (5820, 6852)]