189345520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:903

約数の個数: 160

約数和(自身を含む): 559964160

約数和(自身を除く): 370618640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 839, 868, 910, 1040, 1085, 1240, 1456, 1612, 1678, 1736, 1820, 2015, 2170, 2480, 2821, 3224, 3356, 3472, 3640, 4030, 4195, 4340, 5642, 5873, 6448, 6712, 7280, 8060, 8390, 8680, 10907, 11284, 11746, 13424, 14105, 16120, 16780, 17360, 21814, 22568, 23492, 26009, 28210, 29365, 32240, 33560, 43628, 45136, 46984, 52018, 54535, 56420, 58730, 67120, 76349, 87256, 93968, 104036, 109070, 112840, 117460, 130045, 152698, 174512, 182063, 208072, 218140, 225680, 234920, 260090, 305396, 338117, 364126, 381745, 416144, 436280, 469840, 520180, 610792, 676234, 728252, 763490, 872560, 910315, 1040360, 1221584, 1352468, 1456504, 1526980, 1690585, 1820630, 2080720, 2366819, 2704936, 2913008, 3053960, 3381170, 3641260, 4733638, 5409872, 6107920, 6762340, 7282520, 9467276, 11834095, 13524680, 14565040, 18934552, 23668190, 27049360, 37869104, 47336380, 94672760, 189345520]

約数ペア:

[(1, 189345520), (2, 94672760), (4, 47336380), (5, 37869104), (7, 27049360), (8, 23668190), (10, 18934552), (13, 14565040), (14, 13524680), (16, 11834095), (20, 9467276), (26, 7282520), (28, 6762340), (31, 6107920), (35, 5409872), (40, 4733638), (52, 3641260), (56, 3381170), (62, 3053960), (65, 2913008), (70, 2704936), (80, 2366819), (91, 2080720), (104, 1820630), (112, 1690585), (124, 1526980), (130, 1456504), (140, 1352468), (155, 1221584), (182, 1040360), (208, 910315), (217, 872560), (248, 763490), (260, 728252), (280, 676234), (310, 610792), (364, 520180), (403, 469840), (434, 436280), (455, 416144), (496, 381745), (520, 364126), (560, 338117), (620, 305396), (728, 260090), (806, 234920), (839, 225680), (868, 218140), (910, 208072), (1040, 182063), (1085, 174512), (1240, 152698), (1456, 130045), (1612, 117460), (1678, 112840), (1736, 109070), (1820, 104036), (2015, 93968), (2170, 87256), (2480, 76349), (2821, 67120), (3224, 58730), (3356, 56420), (3472, 54535), (3640, 52018), (4030, 46984), (4195, 45136), (4340, 43628), (5642, 33560), (5873, 32240), (6448, 29365), (6712, 28210), (7280, 26009), (8060, 23492), (8390, 22568), (8680, 21814), (10907, 17360), (11284, 16780), (11746, 16120), (13424, 14105)]