215926920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4957}}^1$

素因数の和:4996

約数の個数: 144

約数和(自身を含む): 771514380

約数和(自身を除く): 555587460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1815, 1980, 2178, 2420, 2904, 3630, 3960, 4356, 4840, 4957, 5445, 7260, 8712, 9914, 10890, 14520, 14871, 19828, 21780, 24785, 29742, 39656, 43560, 44613, 49570, 54527, 59484, 74355, 89226, 99140, 109054, 118968, 148710, 163581, 178452, 198280, 218108, 223065, 272635, 297420, 327162, 356904, 436216, 446130, 490743, 545270, 594840, 599797, 654324, 817905, 892260, 981486, 1090540, 1199594, 1308648, 1635810, 1784520, 1799391, 1962972, 2181080, 2399188, 2453715, 2998985, 3271620, 3598782, 3925944, 4798376, 4907430, 5398173, 5997970, 6543240, 7197564, 8996955, 9814860, 10796346, 11995940, 14395128, 17993910, 19629720, 21592692, 23991880, 26990865, 35987820, 43185384, 53981730, 71975640, 107963460, 215926920]

約数ペア:

[(1, 215926920), (2, 107963460), (3, 71975640), (4, 53981730), (5, 43185384), (6, 35987820), (8, 26990865), (9, 23991880), (10, 21592692), (11, 19629720), (12, 17993910), (15, 14395128), (18, 11995940), (20, 10796346), (22, 9814860), (24, 8996955), (30, 7197564), (33, 6543240), (36, 5997970), (40, 5398173), (44, 4907430), (45, 4798376), (55, 3925944), (60, 3598782), (66, 3271620), (72, 2998985), (88, 2453715), (90, 2399188), (99, 2181080), (110, 1962972), (120, 1799391), (121, 1784520), (132, 1635810), (165, 1308648), (180, 1199594), (198, 1090540), (220, 981486), (242, 892260), (264, 817905), (330, 654324), (360, 599797), (363, 594840), (396, 545270), (440, 490743), (484, 446130), (495, 436216), (605, 356904), (660, 327162), (726, 297420), (792, 272635), (968, 223065), (990, 218108), (1089, 198280), (1210, 178452), (1320, 163581), (1452, 148710), (1815, 118968), (1980, 109054), (2178, 99140), (2420, 89226), (2904, 74355), (3630, 59484), (3960, 54527), (4356, 49570), (4840, 44613), (4957, 43560), (5445, 39656), (7260, 29742), (8712, 24785), (9914, 21780), (10890, 19828), (14520, 14871)]