121887960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 390744000

約数和(自身を除く): 268856040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 149, 170, 204, 255, 298, 340, 401, 408, 447, 510, 596, 680, 745, 802, 894, 1020, 1192, 1203, 1490, 1604, 1788, 2005, 2040, 2235, 2406, 2533, 2980, 3208, 3576, 4010, 4470, 4812, 5066, 5960, 6015, 6817, 7599, 8020, 8940, 9624, 10132, 12030, 12665, 13634, 15198, 16040, 17880, 20264, 20451, 24060, 25330, 27268, 30396, 34085, 37995, 40902, 48120, 50660, 54536, 59749, 60792, 68170, 75990, 81804, 101320, 102255, 119498, 136340, 151980, 163608, 179247, 204510, 238996, 272680, 298745, 303960, 358494, 409020, 477992, 597490, 716988, 818040, 896235, 1015733, 1194980, 1433976, 1792470, 2031466, 2389960, 3047199, 3584940, 4062932, 5078665, 6094398, 7169880, 8125864, 10157330, 12188796, 15235995, 20314660, 24377592, 30471990, 40629320, 60943980, 121887960]

約数ペア:

[(1, 121887960), (2, 60943980), (3, 40629320), (4, 30471990), (5, 24377592), (6, 20314660), (8, 15235995), (10, 12188796), (12, 10157330), (15, 8125864), (17, 7169880), (20, 6094398), (24, 5078665), (30, 4062932), (34, 3584940), (40, 3047199), (51, 2389960), (60, 2031466), (68, 1792470), (85, 1433976), (102, 1194980), (120, 1015733), (136, 896235), (149, 818040), (170, 716988), (204, 597490), (255, 477992), (298, 409020), (340, 358494), (401, 303960), (408, 298745), (447, 272680), (510, 238996), (596, 204510), (680, 179247), (745, 163608), (802, 151980), (894, 136340), (1020, 119498), (1192, 102255), (1203, 101320), (1490, 81804), (1604, 75990), (1788, 68170), (2005, 60792), (2040, 59749), (2235, 54536), (2406, 50660), (2533, 48120), (2980, 40902), (3208, 37995), (3576, 34085), (4010, 30396), (4470, 27268), (4812, 25330), (5066, 24060), (5960, 20451), (6015, 20264), (6817, 17880), (7599, 16040), (8020, 15198), (8940, 13634), (9624, 12665), (10132, 12030)]