77772780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 250024320

約数和(自身を除く): 172251540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 47, 58, 60, 87, 90, 94, 116, 141, 145, 174, 180, 188, 235, 261, 282, 290, 317, 348, 423, 435, 470, 522, 564, 580, 634, 705, 846, 870, 940, 951, 1044, 1268, 1305, 1363, 1410, 1585, 1692, 1740, 1902, 2115, 2610, 2726, 2820, 2853, 3170, 3804, 4089, 4230, 4755, 5220, 5452, 5706, 6340, 6815, 8178, 8460, 9193, 9510, 11412, 12267, 13630, 14265, 14899, 16356, 18386, 19020, 20445, 24534, 27260, 27579, 28530, 29798, 36772, 40890, 44697, 45965, 49068, 55158, 57060, 59596, 61335, 74495, 81780, 82737, 89394, 91930, 110316, 122670, 134091, 137895, 148990, 165474, 178788, 183860, 223485, 245340, 268182, 275790, 297980, 330948, 413685, 432071, 446970, 536364, 551580, 670455, 827370, 864142, 893940, 1296213, 1340910, 1654740, 1728284, 2160355, 2592426, 2681820, 3888639, 4320710, 5184852, 6481065, 7777278, 8641420, 12962130, 15554556, 19443195, 25924260, 38886390, 77772780]

約数ペア:

[(1, 77772780), (2, 38886390), (3, 25924260), (4, 19443195), (5, 15554556), (6, 12962130), (9, 8641420), (10, 7777278), (12, 6481065), (15, 5184852), (18, 4320710), (20, 3888639), (29, 2681820), (30, 2592426), (36, 2160355), (45, 1728284), (47, 1654740), (58, 1340910), (60, 1296213), (87, 893940), (90, 864142), (94, 827370), (116, 670455), (141, 551580), (145, 536364), (174, 446970), (180, 432071), (188, 413685), (235, 330948), (261, 297980), (282, 275790), (290, 268182), (317, 245340), (348, 223485), (423, 183860), (435, 178788), (470, 165474), (522, 148990), (564, 137895), (580, 134091), (634, 122670), (705, 110316), (846, 91930), (870, 89394), (940, 82737), (951, 81780), (1044, 74495), (1268, 61335), (1305, 59596), (1363, 57060), (1410, 55158), (1585, 49068), (1692, 45965), (1740, 44697), (1902, 40890), (2115, 36772), (2610, 29798), (2726, 28530), (2820, 27579), (2853, 27260), (3170, 24534), (3804, 20445), (4089, 19020), (4230, 18386), (4755, 16356), (5220, 14899), (5452, 14265), (5706, 13630), (6340, 12267), (6815, 11412), (8178, 9510), (8460, 9193)]