689035760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2159

約数の個数: 160

約数和(自身を含む): 1990348800

約数和(自身を除く): 1301313040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1520, 1736, 2089, 2128, 2170, 2356, 2480, 2660, 2945, 3472, 4123, 4178, 4340, 4712, 5320, 5890, 8246, 8356, 8680, 9424, 10445, 10640, 11780, 14623, 16492, 16712, 17360, 20615, 20890, 23560, 29246, 32984, 33424, 39691, 41230, 41780, 47120, 58492, 64759, 65968, 73115, 79382, 82460, 83560, 116984, 129518, 146230, 158764, 164920, 167120, 198455, 233968, 259036, 277837, 292460, 317528, 323795, 329840, 396910, 453313, 518072, 555674, 584920, 635056, 647590, 793820, 906626, 1036144, 1111348, 1169840, 1230421, 1295180, 1389185, 1587640, 1813252, 2222696, 2266565, 2460842, 2590360, 2778370, 3175280, 3626504, 4445392, 4533130, 4921684, 5180720, 5556740, 6152105, 7253008, 8612947, 9066260, 9843368, 11113480, 12304210, 17225894, 18132520, 19686736, 22226960, 24608420, 34451788, 36265040, 43064735, 49216840, 68903576, 86129470, 98433680, 137807152, 172258940, 344517880, 689035760]

約数ペア:

[(1, 689035760), (2, 344517880), (4, 172258940), (5, 137807152), (7, 98433680), (8, 86129470), (10, 68903576), (14, 49216840), (16, 43064735), (19, 36265040), (20, 34451788), (28, 24608420), (31, 22226960), (35, 19686736), (38, 18132520), (40, 17225894), (56, 12304210), (62, 11113480), (70, 9843368), (76, 9066260), (80, 8612947), (95, 7253008), (112, 6152105), (124, 5556740), (133, 5180720), (140, 4921684), (152, 4533130), (155, 4445392), (190, 3626504), (217, 3175280), (248, 2778370), (266, 2590360), (280, 2460842), (304, 2266565), (310, 2222696), (380, 1813252), (434, 1587640), (496, 1389185), (532, 1295180), (560, 1230421), (589, 1169840), (620, 1111348), (665, 1036144), (760, 906626), (868, 793820), (1064, 647590), (1085, 635056), (1178, 584920), (1240, 555674), (1330, 518072), (1520, 453313), (1736, 396910), (2089, 329840), (2128, 323795), (2170, 317528), (2356, 292460), (2480, 277837), (2660, 259036), (2945, 233968), (3472, 198455), (4123, 167120), (4178, 164920), (4340, 158764), (4712, 146230), (5320, 129518), (5890, 116984), (8246, 83560), (8356, 82460), (8680, 79382), (9424, 73115), (10445, 65968), (10640, 64759), (11780, 58492), (14623, 47120), (16492, 41780), (16712, 41230), (17360, 39691), (20615, 33424), (20890, 32984), (23560, 29246)]