25506180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:706

約数の個数: 144

約数和(自身を含む): 91413504

約数和(自身を除く): 65907324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 653, 868, 930, 1085, 1116, 1260, 1302, 1306, 1395, 1860, 1953, 1959, 2170, 2604, 2612, 2790, 3255, 3265, 3906, 3918, 4340, 4571, 5580, 5877, 6510, 6530, 7812, 7836, 9142, 9765, 9795, 11754, 13020, 13060, 13713, 18284, 19530, 19590, 20243, 22855, 23508, 27426, 29385, 39060, 39180, 40486, 41139, 45710, 54852, 58770, 60729, 68565, 80972, 82278, 91420, 101215, 117540, 121458, 137130, 141701, 164556, 182187, 202430, 205695, 242916, 274260, 283402, 303645, 364374, 404860, 411390, 425103, 566804, 607290, 708505, 728748, 822780, 850206, 910935, 1214580, 1275309, 1417010, 1700412, 1821870, 2125515, 2550618, 2834020, 3643740, 4251030, 5101236, 6376545, 8502060, 12753090, 25506180]

約数ペア:

[(1, 25506180), (2, 12753090), (3, 8502060), (4, 6376545), (5, 5101236), (6, 4251030), (7, 3643740), (9, 2834020), (10, 2550618), (12, 2125515), (14, 1821870), (15, 1700412), (18, 1417010), (20, 1275309), (21, 1214580), (28, 910935), (30, 850206), (31, 822780), (35, 728748), (36, 708505), (42, 607290), (45, 566804), (60, 425103), (62, 411390), (63, 404860), (70, 364374), (84, 303645), (90, 283402), (93, 274260), (105, 242916), (124, 205695), (126, 202430), (140, 182187), (155, 164556), (180, 141701), (186, 137130), (210, 121458), (217, 117540), (252, 101215), (279, 91420), (310, 82278), (315, 80972), (372, 68565), (420, 60729), (434, 58770), (465, 54852), (558, 45710), (620, 41139), (630, 40486), (651, 39180), (653, 39060), (868, 29385), (930, 27426), (1085, 23508), (1116, 22855), (1260, 20243), (1302, 19590), (1306, 19530), (1395, 18284), (1860, 13713), (1953, 13060), (1959, 13020), (2170, 11754), (2604, 9795), (2612, 9765), (2790, 9142), (3255, 7836), (3265, 7812), (3906, 6530), (3918, 6510), (4340, 5877), (4571, 5580)]