261880560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3964

約数の個数: 160

約数和(自身を含む): 931368960

約数和(自身を除く): 669488400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 3348, 3720, 3911, 4185, 4464, 5580, 6696, 7440, 7822, 8370, 11160, 11733, 13392, 15644, 16740, 19555, 22320, 23466, 31288, 33480, 35199, 39110, 46932, 58665, 62576, 66960, 70398, 78220, 93864, 105597, 117330, 121241, 140796, 156440, 175995, 187728, 211194, 234660, 242482, 281592, 312880, 351990, 363723, 422388, 469320, 484964, 527985, 563184, 606205, 703980, 727446, 844776, 938640, 969928, 1055970, 1091169, 1212410, 1407960, 1454892, 1689552, 1818615, 1939856, 2111940, 2182338, 2424820, 2815920, 2909784, 3273507, 3637230, 4223880, 4364676, 4849640, 5455845, 5819568, 6547014, 7274460, 8447760, 8729352, 9699280, 10911690, 13094028, 14548920, 16367535, 17458704, 21823380, 26188056, 29097840, 32735070, 43646760, 52376112, 65470140, 87293520, 130940280, 261880560]

約数ペア:

[(1, 261880560), (2, 130940280), (3, 87293520), (4, 65470140), (5, 52376112), (6, 43646760), (8, 32735070), (9, 29097840), (10, 26188056), (12, 21823380), (15, 17458704), (16, 16367535), (18, 14548920), (20, 13094028), (24, 10911690), (27, 9699280), (30, 8729352), (31, 8447760), (36, 7274460), (40, 6547014), (45, 5819568), (48, 5455845), (54, 4849640), (60, 4364676), (62, 4223880), (72, 3637230), (80, 3273507), (90, 2909784), (93, 2815920), (108, 2424820), (120, 2182338), (124, 2111940), (135, 1939856), (144, 1818615), (155, 1689552), (180, 1454892), (186, 1407960), (216, 1212410), (240, 1091169), (248, 1055970), (270, 969928), (279, 938640), (310, 844776), (360, 727446), (372, 703980), (432, 606205), (465, 563184), (496, 527985), (540, 484964), (558, 469320), (620, 422388), (720, 363723), (744, 351990), (837, 312880), (930, 281592), (1080, 242482), (1116, 234660), (1240, 211194), (1395, 187728), (1488, 175995), (1674, 156440), (1860, 140796), (2160, 121241), (2232, 117330), (2480, 105597), (2790, 93864), (3348, 78220), (3720, 70398), (3911, 66960), (4185, 62576), (4464, 58665), (5580, 46932), (6696, 39110), (7440, 35199), (7822, 33480), (8370, 31288), (11160, 23466), (11733, 22320), (13392, 19555), (15644, 16740)]