256078680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14923}}^1$

素因数の和:14961

約数の個数: 128

約数和(自身を含む): 902603520

約数和(自身を除く): 646524840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 14923, 17160, 29846, 44769, 59692, 74615, 89538, 119384, 149230, 164153, 179076, 193999, 223845, 298460, 328306, 358152, 387998, 447690, 492459, 581997, 596920, 656612, 775996, 820765, 895380, 969995, 984918, 1163994, 1313224, 1551992, 1641530, 1790760, 1939990, 1969836, 2133989, 2327988, 2462295, 2909985, 3283060, 3879980, 3939672, 4267978, 4655976, 4924590, 5819970, 6401967, 6566120, 7759960, 8535956, 9849180, 10669945, 11639940, 12803934, 17071912, 19698360, 21339890, 23279880, 25607868, 32009835, 42679780, 51215736, 64019670, 85359560, 128039340, 256078680]

約数ペア:

[(1, 256078680), (2, 128039340), (3, 85359560), (4, 64019670), (5, 51215736), (6, 42679780), (8, 32009835), (10, 25607868), (11, 23279880), (12, 21339890), (13, 19698360), (15, 17071912), (20, 12803934), (22, 11639940), (24, 10669945), (26, 9849180), (30, 8535956), (33, 7759960), (39, 6566120), (40, 6401967), (44, 5819970), (52, 4924590), (55, 4655976), (60, 4267978), (65, 3939672), (66, 3879980), (78, 3283060), (88, 2909985), (104, 2462295), (110, 2327988), (120, 2133989), (130, 1969836), (132, 1939990), (143, 1790760), (156, 1641530), (165, 1551992), (195, 1313224), (220, 1163994), (260, 984918), (264, 969995), (286, 895380), (312, 820765), (330, 775996), (390, 656612), (429, 596920), (440, 581997), (520, 492459), (572, 447690), (660, 387998), (715, 358152), (780, 328306), (858, 298460), (1144, 223845), (1320, 193999), (1430, 179076), (1560, 164153), (1716, 149230), (2145, 119384), (2860, 89538), (3432, 74615), (4290, 59692), (5720, 44769), (8580, 29846), (14923, 17160)]