287717820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:292

約数の個数: 192

約数和(自身を含む): 913403904

約数和(自身を除く): 625686084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 73, 78, 93, 124, 130, 146, 155, 156, 163, 186, 195, 219, 260, 292, 310, 326, 365, 372, 390, 403, 438, 465, 489, 620, 652, 730, 780, 806, 815, 876, 930, 949, 978, 1095, 1209, 1460, 1612, 1630, 1860, 1898, 1956, 2015, 2119, 2190, 2263, 2418, 2445, 2847, 3260, 3796, 4030, 4238, 4380, 4526, 4745, 4836, 4890, 5053, 5694, 6045, 6357, 6789, 8060, 8476, 9052, 9490, 9780, 10106, 10595, 11315, 11388, 11899, 12090, 12714, 13578, 14235, 15159, 18980, 20212, 21190, 22630, 23798, 24180, 25265, 25428, 27156, 28470, 29419, 30318, 31785, 33945, 35697, 42380, 45260, 47596, 50530, 56940, 58838, 59495, 60636, 63570, 65689, 67890, 71394, 75795, 88257, 101060, 117676, 118990, 127140, 131378, 135780, 142788, 147095, 151590, 154687, 176514, 178485, 197067, 237980, 262756, 294190, 303180, 309374, 328445, 353028, 356970, 368869, 394134, 441285, 464061, 588380, 618748, 656890, 713940, 737738, 773435, 788268, 882570, 928122, 985335, 1106607, 1313780, 1475476, 1546870, 1765140, 1844345, 1856244, 1970670, 2213214, 2320305, 3093740, 3688690, 3941340, 4426428, 4640610, 4795297, 5533035, 7377380, 9281220, 9590594, 11066070, 14385891, 19181188, 22132140, 23976485, 28771782, 47952970, 57543564, 71929455, 95905940, 143858910, 287717820]

約数ペア:

[(1, 287717820), (2, 143858910), (3, 95905940), (4, 71929455), (5, 57543564), (6, 47952970), (10, 28771782), (12, 23976485), (13, 22132140), (15, 19181188), (20, 14385891), (26, 11066070), (30, 9590594), (31, 9281220), (39, 7377380), (52, 5533035), (60, 4795297), (62, 4640610), (65, 4426428), (73, 3941340), (78, 3688690), (93, 3093740), (124, 2320305), (130, 2213214), (146, 1970670), (155, 1856244), (156, 1844345), (163, 1765140), (186, 1546870), (195, 1475476), (219, 1313780), (260, 1106607), (292, 985335), (310, 928122), (326, 882570), (365, 788268), (372, 773435), (390, 737738), (403, 713940), (438, 656890), (465, 618748), (489, 588380), (620, 464061), (652, 441285), (730, 394134), (780, 368869), (806, 356970), (815, 353028), (876, 328445), (930, 309374), (949, 303180), (978, 294190), (1095, 262756), (1209, 237980), (1460, 197067), (1612, 178485), (1630, 176514), (1860, 154687), (1898, 151590), (1956, 147095), (2015, 142788), (2119, 135780), (2190, 131378), (2263, 127140), (2418, 118990), (2445, 117676), (2847, 101060), (3260, 88257), (3796, 75795), (4030, 71394), (4238, 67890), (4380, 65689), (4526, 63570), (4745, 60636), (4836, 59495), (4890, 58838), (5053, 56940), (5694, 50530), (6045, 47596), (6357, 45260), (6789, 42380), (8060, 35697), (8476, 33945), (9052, 31785), (9490, 30318), (9780, 29419), (10106, 28470), (10595, 27156), (11315, 25428), (11388, 25265), (11899, 24180), (12090, 23798), (12714, 22630), (13578, 21190), (14235, 20212), (15159, 18980)]