1979810040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40939}}^1$

素因数の和:40997

約数の個数: 128

約数和(自身を含む): 6602803200

約数和(自身を除く): 4622993160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 16120, 24180, 40939, 48360, 81878, 122817, 163756, 204695, 245634, 327512, 409390, 491268, 532207, 614085, 818780, 982536, 1064414, 1228170, 1269109, 1596621, 1637560, 2128828, 2456340, 2538218, 2661035, 3193242, 3807327, 4257656, 4912680, 5076436, 5322070, 6345545, 6386484, 7614654, 7983105, 10152872, 10644140, 12691090, 12772968, 15229308, 15966210, 16498417, 19036635, 21288280, 25382180, 30458616, 31932420, 32996834, 38073270, 49495251, 50764360, 63864840, 65993668, 76146540, 82492085, 98990502, 131987336, 152293080, 164984170, 197981004, 247476255, 329968340, 395962008, 494952510, 659936680, 989905020, 1979810040]

約数ペア:

[(1, 1979810040), (2, 989905020), (3, 659936680), (4, 494952510), (5, 395962008), (6, 329968340), (8, 247476255), (10, 197981004), (12, 164984170), (13, 152293080), (15, 131987336), (20, 98990502), (24, 82492085), (26, 76146540), (30, 65993668), (31, 63864840), (39, 50764360), (40, 49495251), (52, 38073270), (60, 32996834), (62, 31932420), (65, 30458616), (78, 25382180), (93, 21288280), (104, 19036635), (120, 16498417), (124, 15966210), (130, 15229308), (155, 12772968), (156, 12691090), (186, 10644140), (195, 10152872), (248, 7983105), (260, 7614654), (310, 6386484), (312, 6345545), (372, 5322070), (390, 5076436), (403, 4912680), (465, 4257656), (520, 3807327), (620, 3193242), (744, 2661035), (780, 2538218), (806, 2456340), (930, 2128828), (1209, 1637560), (1240, 1596621), (1560, 1269109), (1612, 1228170), (1860, 1064414), (2015, 982536), (2418, 818780), (3224, 614085), (3720, 532207), (4030, 491268), (4836, 409390), (6045, 327512), (8060, 245634), (9672, 204695), (12090, 163756), (16120, 122817), (24180, 81878), (40939, 48360)]