1290291240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{3499}}^1$

素因数の和:3959

約数の個数: 128

約数和(自身を含む): 4435200000

約数和(自身を除く): 3144908760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 439, 840, 878, 1317, 1756, 2195, 2634, 3073, 3499, 3512, 4390, 5268, 6146, 6585, 6998, 8780, 9219, 10497, 10536, 12292, 13170, 13996, 15365, 17495, 17560, 18438, 20994, 24493, 24584, 26340, 27992, 30730, 34990, 36876, 41988, 46095, 48986, 52485, 52680, 61460, 69980, 73479, 73752, 83976, 92190, 97972, 104970, 122465, 122920, 139960, 146958, 184380, 195944, 209940, 244930, 293916, 367395, 368760, 419880, 489860, 587832, 734790, 979720, 1469580, 1536061, 2939160, 3072122, 4608183, 6144244, 7680305, 9216366, 10752427, 12288488, 15360610, 18432732, 21504854, 23040915, 30721220, 32257281, 36865464, 43009708, 46081830, 53762135, 61442440, 64514562, 86019416, 92163660, 107524270, 129029124, 161286405, 184327320, 215048540, 258058248, 322572810, 430097080, 645145620, 1290291240]

約数ペア:

[(1, 1290291240), (2, 645145620), (3, 430097080), (4, 322572810), (5, 258058248), (6, 215048540), (7, 184327320), (8, 161286405), (10, 129029124), (12, 107524270), (14, 92163660), (15, 86019416), (20, 64514562), (21, 61442440), (24, 53762135), (28, 46081830), (30, 43009708), (35, 36865464), (40, 32257281), (42, 30721220), (56, 23040915), (60, 21504854), (70, 18432732), (84, 15360610), (105, 12288488), (120, 10752427), (140, 9216366), (168, 7680305), (210, 6144244), (280, 4608183), (420, 3072122), (439, 2939160), (840, 1536061), (878, 1469580), (1317, 979720), (1756, 734790), (2195, 587832), (2634, 489860), (3073, 419880), (3499, 368760), (3512, 367395), (4390, 293916), (5268, 244930), (6146, 209940), (6585, 195944), (6998, 184380), (8780, 146958), (9219, 139960), (10497, 122920), (10536, 122465), (12292, 104970), (13170, 97972), (13996, 92190), (15365, 83976), (17495, 73752), (17560, 73479), (18438, 69980), (20994, 61460), (24493, 52680), (24584, 52485), (26340, 48986), (27992, 46095), (30730, 41988), (34990, 36876)]