68505640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 188928000

約数和(自身を除く): 120422360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 95, 133, 140, 152, 158, 163, 190, 266, 280, 316, 326, 380, 395, 532, 553, 632, 652, 665, 760, 790, 815, 1064, 1106, 1141, 1304, 1330, 1501, 1580, 1630, 2212, 2282, 2660, 2765, 3002, 3097, 3160, 3260, 4424, 4564, 5320, 5530, 5705, 6004, 6194, 6520, 7505, 9128, 10507, 11060, 11410, 12008, 12388, 12877, 15010, 15485, 21014, 21679, 22120, 22820, 24776, 25754, 30020, 30970, 42028, 43358, 45640, 51508, 52535, 60040, 61940, 64385, 84056, 86716, 90139, 103016, 105070, 108395, 123880, 128770, 173432, 180278, 210140, 216790, 244663, 257540, 360556, 420280, 433580, 450695, 489326, 515080, 721112, 867160, 901390, 978652, 1223315, 1712641, 1802780, 1957304, 2446630, 3425282, 3605560, 4893260, 6850564, 8563205, 9786520, 13701128, 17126410, 34252820, 68505640]

約数ペア:

[(1, 68505640), (2, 34252820), (4, 17126410), (5, 13701128), (7, 9786520), (8, 8563205), (10, 6850564), (14, 4893260), (19, 3605560), (20, 3425282), (28, 2446630), (35, 1957304), (38, 1802780), (40, 1712641), (56, 1223315), (70, 978652), (76, 901390), (79, 867160), (95, 721112), (133, 515080), (140, 489326), (152, 450695), (158, 433580), (163, 420280), (190, 360556), (266, 257540), (280, 244663), (316, 216790), (326, 210140), (380, 180278), (395, 173432), (532, 128770), (553, 123880), (632, 108395), (652, 105070), (665, 103016), (760, 90139), (790, 86716), (815, 84056), (1064, 64385), (1106, 61940), (1141, 60040), (1304, 52535), (1330, 51508), (1501, 45640), (1580, 43358), (1630, 42028), (2212, 30970), (2282, 30020), (2660, 25754), (2765, 24776), (3002, 22820), (3097, 22120), (3160, 21679), (3260, 21014), (4424, 15485), (4564, 15010), (5320, 12877), (5530, 12388), (5705, 12008), (6004, 11410), (6194, 11060), (6520, 10507), (7505, 9128)]