39988620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 145152000

約数和(自身を除く): 105163380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 84, 90, 105, 108, 126, 135, 140, 142, 149, 180, 189, 210, 213, 252, 270, 284, 298, 315, 355, 378, 420, 426, 447, 497, 540, 596, 630, 639, 710, 745, 756, 852, 894, 945, 994, 1043, 1065, 1260, 1278, 1341, 1420, 1490, 1491, 1788, 1890, 1917, 1988, 2086, 2130, 2235, 2485, 2556, 2682, 2980, 2982, 3129, 3195, 3780, 3834, 4023, 4172, 4260, 4470, 4473, 4970, 5215, 5364, 5964, 6258, 6390, 6705, 7455, 7668, 8046, 8940, 8946, 9387, 9585, 9940, 10430, 10579, 12516, 12780, 13410, 13419, 14910, 15645, 16092, 17892, 18774, 19170, 20115, 20860, 21158, 22365, 26820, 26838, 28161, 29820, 31290, 31737, 37548, 38340, 40230, 42316, 44730, 46935, 52895, 53676, 56322, 62580, 63474, 67095, 74053, 80460, 89460, 93870, 95211, 105790, 112644, 126948, 134190, 140805, 148106, 158685, 187740, 190422, 211580, 222159, 268380, 281610, 285633, 296212, 317370, 370265, 380844, 444318, 476055, 563220, 571266, 634740, 666477, 740530, 888636, 952110, 1110795, 1142532, 1332954, 1428165, 1481060, 1904220, 1999431, 2221590, 2665908, 2856330, 3332385, 3998862, 4443180, 5712660, 6664770, 7997724, 9997155, 13329540, 19994310, 39988620]

約数ペア:

[(1, 39988620), (2, 19994310), (3, 13329540), (4, 9997155), (5, 7997724), (6, 6664770), (7, 5712660), (9, 4443180), (10, 3998862), (12, 3332385), (14, 2856330), (15, 2665908), (18, 2221590), (20, 1999431), (21, 1904220), (27, 1481060), (28, 1428165), (30, 1332954), (35, 1142532), (36, 1110795), (42, 952110), (45, 888636), (54, 740530), (60, 666477), (63, 634740), (70, 571266), (71, 563220), (84, 476055), (90, 444318), (105, 380844), (108, 370265), (126, 317370), (135, 296212), (140, 285633), (142, 281610), (149, 268380), (180, 222159), (189, 211580), (210, 190422), (213, 187740), (252, 158685), (270, 148106), (284, 140805), (298, 134190), (315, 126948), (355, 112644), (378, 105790), (420, 95211), (426, 93870), (447, 89460), (497, 80460), (540, 74053), (596, 67095), (630, 63474), (639, 62580), (710, 56322), (745, 53676), (756, 52895), (852, 46935), (894, 44730), (945, 42316), (994, 40230), (1043, 38340), (1065, 37548), (1260, 31737), (1278, 31290), (1341, 29820), (1420, 28161), (1490, 26838), (1491, 26820), (1788, 22365), (1890, 21158), (1917, 20860), (1988, 20115), (2086, 19170), (2130, 18774), (2235, 17892), (2485, 16092), (2556, 15645), (2682, 14910), (2980, 13419), (2982, 13410), (3129, 12780), (3195, 12516), (3780, 10579), (3834, 10430), (4023, 9940), (4172, 9585), (4260, 9387), (4470, 8946), (4473, 8940), (4970, 8046), (5215, 7668), (5364, 7455), (5964, 6705), (6258, 6390)]