121518040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:570

約数の個数: 128

約数和(自身を含む): 338256000

約数和(自身を除く): 216737960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 343, 392, 476, 490, 521, 595, 680, 686, 833, 952, 980, 1042, 1190, 1372, 1666, 1715, 1960, 2084, 2380, 2605, 2744, 3332, 3430, 3647, 4165, 4168, 4760, 5210, 5831, 6664, 6860, 7294, 8330, 8857, 10420, 11662, 13720, 14588, 16660, 17714, 18235, 20840, 23324, 25529, 29155, 29176, 33320, 35428, 36470, 44285, 46648, 51058, 58310, 61999, 70856, 72940, 88570, 102116, 116620, 123998, 127645, 145880, 177140, 178703, 204232, 233240, 247996, 255290, 309995, 354280, 357406, 433993, 495992, 510580, 619990, 714812, 867986, 893515, 1021160, 1239980, 1429624, 1735972, 1787030, 2169965, 2479960, 3037951, 3471944, 3574060, 4339930, 6075902, 7148120, 8679860, 12151804, 15189755, 17359720, 24303608, 30379510, 60759020, 121518040]

約数ペア:

[(1, 121518040), (2, 60759020), (4, 30379510), (5, 24303608), (7, 17359720), (8, 15189755), (10, 12151804), (14, 8679860), (17, 7148120), (20, 6075902), (28, 4339930), (34, 3574060), (35, 3471944), (40, 3037951), (49, 2479960), (56, 2169965), (68, 1787030), (70, 1735972), (85, 1429624), (98, 1239980), (119, 1021160), (136, 893515), (140, 867986), (170, 714812), (196, 619990), (238, 510580), (245, 495992), (280, 433993), (340, 357406), (343, 354280), (392, 309995), (476, 255290), (490, 247996), (521, 233240), (595, 204232), (680, 178703), (686, 177140), (833, 145880), (952, 127645), (980, 123998), (1042, 116620), (1190, 102116), (1372, 88570), (1666, 72940), (1715, 70856), (1960, 61999), (2084, 58310), (2380, 51058), (2605, 46648), (2744, 44285), (3332, 36470), (3430, 35428), (3647, 33320), (4165, 29176), (4168, 29155), (4760, 25529), (5210, 23324), (5831, 20840), (6664, 18235), (6860, 17714), (7294, 16660), (8330, 14588), (8857, 13720), (10420, 11662)]