642884580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5387}}^1$

素因数の和:5435

約数の個数: 192

約数和(自身を含む): 2281063680

約数和(自身を除く): 1638179100

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, 2652, 3060, 3315, 3510, 3978, 4420, 4590, 5387, 5967, 6630, 7020, 7956, 9180, 9945, 10774, 11934, 13260, 16161, 19890, 21548, 23868, 26935, 29835, 32322, 39780, 48483, 53870, 59670, 64644, 70031, 80805, 91579, 96966, 107740, 119340, 140062, 145449, 161610, 183158, 193932, 210093, 242415, 274737, 280124, 290898, 323220, 350155, 366316, 420186, 457895, 484830, 549474, 581796, 630279, 700310, 727245, 824211, 840372, 915790, 969660, 1050465, 1098948, 1190527, 1260558, 1373685, 1400620, 1454490, 1648422, 1831580, 1890837, 2100930, 2381054, 2472633, 2521116, 2747370, 2908980, 3151395, 3296844, 3571581, 3781674, 4121055, 4201860, 4762108, 4945266, 5494740, 5952635, 6302790, 7143162, 7563348, 8242110, 9454185, 9890532, 10714743, 11905270, 12363165, 12605580, 14286324, 16484220, 17857905, 18908370, 21429486, 23810540, 24726330, 32144229, 35715810, 37816740, 42858972, 49452660, 53573715, 64288458, 71431620, 107147430, 128576916, 160721145, 214294860, 321442290, 642884580]

約数ペア:

[(1, 642884580), (2, 321442290), (3, 214294860), (4, 160721145), (5, 128576916), (6, 107147430), (9, 71431620), (10, 64288458), (12, 53573715), (13, 49452660), (15, 42858972), (17, 37816740), (18, 35715810), (20, 32144229), (26, 24726330), (27, 23810540), (30, 21429486), (34, 18908370), (36, 17857905), (39, 16484220), (45, 14286324), (51, 12605580), (52, 12363165), (54, 11905270), (60, 10714743), (65, 9890532), (68, 9454185), (78, 8242110), (85, 7563348), (90, 7143162), (102, 6302790), (108, 5952635), (117, 5494740), (130, 4945266), (135, 4762108), (153, 4201860), (156, 4121055), (170, 3781674), (180, 3571581), (195, 3296844), (204, 3151395), (221, 2908980), (234, 2747370), (255, 2521116), (260, 2472633), (270, 2381054), (306, 2100930), (340, 1890837), (351, 1831580), (390, 1648422), (442, 1454490), (459, 1400620), (468, 1373685), (510, 1260558), (540, 1190527), (585, 1098948), (612, 1050465), (663, 969660), (702, 915790), (765, 840372), (780, 824211), (884, 727245), (918, 700310), (1020, 630279), (1105, 581796), (1170, 549474), (1326, 484830), (1404, 457895), (1530, 420186), (1755, 366316), (1836, 350155), (1989, 323220), (2210, 290898), (2295, 280124), (2340, 274737), (2652, 242415), (3060, 210093), (3315, 193932), (3510, 183158), (3978, 161610), (4420, 145449), (4590, 140062), (5387, 119340), (5967, 107740), (6630, 96966), (7020, 91579), (7956, 80805), (9180, 70031), (9945, 64644), (10774, 59670), (11934, 53870), (13260, 48483), (16161, 39780), (19890, 32322), (21548, 29835), (23868, 26935)]