280090980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2347}}^1$

素因数の和:2395

約数の個数: 192

約数和(自身を含む): 994049280

約数和(自身を除く): 713958300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 340, 351, 390, 442, 459, 468, 510, 540, 585, 612, 663, 702, 765, 780, 884, 918, 1020, 1105, 1170, 1326, 1404, 1530, 1755, 1836, 1989, 2210, 2295, 2340, 2347, 2652, 3060, 3315, 3510, 3978, 4420, 4590, 4694, 5967, 6630, 7020, 7041, 7956, 9180, 9388, 9945, 11735, 11934, 13260, 14082, 19890, 21123, 23470, 23868, 28164, 29835, 30511, 35205, 39780, 39899, 42246, 46940, 59670, 61022, 63369, 70410, 79798, 84492, 91533, 105615, 119340, 119697, 122044, 126738, 140820, 152555, 159596, 183066, 199495, 211230, 239394, 253476, 274599, 305110, 316845, 359091, 366132, 398990, 422460, 457665, 478788, 518687, 549198, 598485, 610220, 633690, 718182, 797980, 823797, 915330, 1037374, 1077273, 1098396, 1196970, 1267380, 1372995, 1436364, 1556061, 1647594, 1795455, 1830660, 2074748, 2154546, 2393940, 2593435, 2745990, 3112122, 3295188, 3590910, 4118985, 4309092, 4668183, 5186870, 5386365, 5491980, 6224244, 7181820, 7780305, 8237970, 9336366, 10373740, 10772730, 14004549, 15560610, 16475940, 18672732, 21545460, 23340915, 28009098, 31121220, 46681830, 56018196, 70022745, 93363660, 140045490, 280090980]

約数ペア:

[(1, 280090980), (2, 140045490), (3, 93363660), (4, 70022745), (5, 56018196), (6, 46681830), (9, 31121220), (10, 28009098), (12, 23340915), (13, 21545460), (15, 18672732), (17, 16475940), (18, 15560610), (20, 14004549), (26, 10772730), (27, 10373740), (30, 9336366), (34, 8237970), (36, 7780305), (39, 7181820), (45, 6224244), (51, 5491980), (52, 5386365), (54, 5186870), (60, 4668183), (65, 4309092), (68, 4118985), (78, 3590910), (85, 3295188), (90, 3112122), (102, 2745990), (108, 2593435), (117, 2393940), (130, 2154546), (135, 2074748), (153, 1830660), (156, 1795455), (170, 1647594), (180, 1556061), (195, 1436364), (204, 1372995), (221, 1267380), (234, 1196970), (255, 1098396), (260, 1077273), (270, 1037374), (306, 915330), (340, 823797), (351, 797980), (390, 718182), (442, 633690), (459, 610220), (468, 598485), (510, 549198), (540, 518687), (585, 478788), (612, 457665), (663, 422460), (702, 398990), (765, 366132), (780, 359091), (884, 316845), (918, 305110), (1020, 274599), (1105, 253476), (1170, 239394), (1326, 211230), (1404, 199495), (1530, 183066), (1755, 159596), (1836, 152555), (1989, 140820), (2210, 126738), (2295, 122044), (2340, 119697), (2347, 119340), (2652, 105615), (3060, 91533), (3315, 84492), (3510, 79798), (3978, 70410), (4420, 63369), (4590, 61022), (4694, 59670), (5967, 46940), (6630, 42246), (7020, 39899), (7041, 39780), (7956, 35205), (9180, 30511), (9388, 29835), (9945, 28164), (11735, 23868), (11934, 23470), (13260, 21123), (14082, 19890)]