278828760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6263}}^1$

素因数の和:6337

約数の個数: 128

約数和(自身を含む): 974177280

約数和(自身を除く): 695348520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 1060, 1113, 1272, 1484, 1590, 1855, 2120, 2226, 2968, 3180, 3710, 4452, 5565, 6263, 6360, 7420, 8904, 11130, 12526, 14840, 18789, 22260, 25052, 31315, 37578, 43841, 44520, 50104, 62630, 75156, 87682, 93945, 125260, 131523, 150312, 175364, 187890, 219205, 250520, 263046, 331939, 350728, 375780, 438410, 526092, 657615, 663878, 751560, 876820, 995817, 1052184, 1315230, 1327756, 1659695, 1753640, 1991634, 2323573, 2630460, 2655512, 3319390, 3983268, 4647146, 4979085, 5260920, 6638780, 6970719, 7966536, 9294292, 9958170, 11617865, 13277560, 13941438, 18588584, 19916340, 23235730, 27882876, 34853595, 39832680, 46471460, 55765752, 69707190, 92942920, 139414380, 278828760]

約数ペア:

[(1, 278828760), (2, 139414380), (3, 92942920), (4, 69707190), (5, 55765752), (6, 46471460), (7, 39832680), (8, 34853595), (10, 27882876), (12, 23235730), (14, 19916340), (15, 18588584), (20, 13941438), (21, 13277560), (24, 11617865), (28, 9958170), (30, 9294292), (35, 7966536), (40, 6970719), (42, 6638780), (53, 5260920), (56, 4979085), (60, 4647146), (70, 3983268), (84, 3319390), (105, 2655512), (106, 2630460), (120, 2323573), (140, 1991634), (159, 1753640), (168, 1659695), (210, 1327756), (212, 1315230), (265, 1052184), (280, 995817), (318, 876820), (371, 751560), (420, 663878), (424, 657615), (530, 526092), (636, 438410), (742, 375780), (795, 350728), (840, 331939), (1060, 263046), (1113, 250520), (1272, 219205), (1484, 187890), (1590, 175364), (1855, 150312), (2120, 131523), (2226, 125260), (2968, 93945), (3180, 87682), (3710, 75156), (4452, 62630), (5565, 50104), (6263, 44520), (6360, 43841), (7420, 37578), (8904, 31315), (11130, 25052), (12526, 22260), (14840, 18789)]