31478040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7949}}^1$

素因数の和:7977

約数の個数: 96

約数和(自身を含む): 111618000

約数和(自身を除く): 80139960

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, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7949, 15898, 23847, 31796, 39745, 47694, 63592, 71541, 79490, 87439, 95388, 119235, 143082, 158980, 174878, 190776, 238470, 262317, 286164, 317960, 349756, 357705, 437195, 476940, 524634, 572328, 699512, 715410, 786951, 874390, 953880, 1049268, 1311585, 1430820, 1573902, 1748780, 2098536, 2623170, 2861640, 3147804, 3497560, 3934755, 5246340, 6295608, 7869510, 10492680, 15739020, 31478040]

約数ペア:

[(1, 31478040), (2, 15739020), (3, 10492680), (4, 7869510), (5, 6295608), (6, 5246340), (8, 3934755), (9, 3497560), (10, 3147804), (11, 2861640), (12, 2623170), (15, 2098536), (18, 1748780), (20, 1573902), (22, 1430820), (24, 1311585), (30, 1049268), (33, 953880), (36, 874390), (40, 786951), (44, 715410), (45, 699512), (55, 572328), (60, 524634), (66, 476940), (72, 437195), (88, 357705), (90, 349756), (99, 317960), (110, 286164), (120, 262317), (132, 238470), (165, 190776), (180, 174878), (198, 158980), (220, 143082), (264, 119235), (330, 95388), (360, 87439), (396, 79490), (440, 71541), (495, 63592), (660, 47694), (792, 39745), (990, 31796), (1320, 23847), (1980, 15898), (3960, 7949)]