68860680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{239}}^1$

素因数の和:281

約数の個数: 160

約数和(自身を含む): 242006400

約数和(自身を除く): 173145720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 239, 245, 280, 294, 343, 392, 420, 478, 490, 588, 686, 717, 735, 840, 956, 980, 1029, 1176, 1195, 1372, 1434, 1470, 1673, 1715, 1912, 1960, 2058, 2390, 2401, 2744, 2868, 2940, 3346, 3430, 3585, 4116, 4780, 4802, 5019, 5145, 5736, 5880, 6692, 6860, 7170, 7203, 8232, 8365, 9560, 9604, 10038, 10290, 11711, 12005, 13384, 13720, 14340, 14406, 16730, 19208, 20076, 20580, 23422, 24010, 25095, 28680, 28812, 33460, 35133, 36015, 40152, 41160, 46844, 48020, 50190, 57624, 58555, 66920, 70266, 72030, 81977, 93688, 96040, 100380, 117110, 140532, 144060, 163954, 175665, 200760, 234220, 245931, 281064, 288120, 327908, 351330, 409885, 468440, 491862, 573839, 655816, 702660, 819770, 983724, 1147678, 1229655, 1405320, 1639540, 1721517, 1967448, 2295356, 2459310, 2869195, 3279080, 3443034, 4590712, 4918620, 5738390, 6886068, 8607585, 9837240, 11476780, 13772136, 17215170, 22953560, 34430340, 68860680]

約数ペア:

[(1, 68860680), (2, 34430340), (3, 22953560), (4, 17215170), (5, 13772136), (6, 11476780), (7, 9837240), (8, 8607585), (10, 6886068), (12, 5738390), (14, 4918620), (15, 4590712), (20, 3443034), (21, 3279080), (24, 2869195), (28, 2459310), (30, 2295356), (35, 1967448), (40, 1721517), (42, 1639540), (49, 1405320), (56, 1229655), (60, 1147678), (70, 983724), (84, 819770), (98, 702660), (105, 655816), (120, 573839), (140, 491862), (147, 468440), (168, 409885), (196, 351330), (210, 327908), (239, 288120), (245, 281064), (280, 245931), (294, 234220), (343, 200760), (392, 175665), (420, 163954), (478, 144060), (490, 140532), (588, 117110), (686, 100380), (717, 96040), (735, 93688), (840, 81977), (956, 72030), (980, 70266), (1029, 66920), (1176, 58555), (1195, 57624), (1372, 50190), (1434, 48020), (1470, 46844), (1673, 41160), (1715, 40152), (1912, 36015), (1960, 35133), (2058, 33460), (2390, 28812), (2401, 28680), (2744, 25095), (2868, 24010), (2940, 23422), (3346, 20580), (3430, 20076), (3585, 19208), (4116, 16730), (4780, 14406), (4802, 14340), (5019, 13720), (5145, 13384), (5736, 12005), (5880, 11711), (6692, 10290), (6860, 10038), (7170, 9604), (7203, 9560), (8232, 8365)]