205767240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{503}}^1$

素因数の和:1011

約数の個数: 128

約数和(自身を含む): 708341760

約数和(自身を除く): 502574520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 487, 503, 840, 974, 1006, 1461, 1509, 1948, 2012, 2435, 2515, 2922, 3018, 3409, 3521, 3896, 4024, 4870, 5030, 5844, 6036, 6818, 7042, 7305, 7545, 9740, 10060, 10227, 10563, 11688, 12072, 13636, 14084, 14610, 15090, 17045, 17605, 19480, 20120, 20454, 21126, 27272, 28168, 29220, 30180, 34090, 35210, 40908, 42252, 51135, 52815, 58440, 60360, 68180, 70420, 81816, 84504, 102270, 105630, 136360, 140840, 204540, 211260, 244961, 409080, 422520, 489922, 734883, 979844, 1224805, 1469766, 1714727, 1959688, 2449610, 2939532, 3429454, 3674415, 4899220, 5144181, 5879064, 6858908, 7348830, 8573635, 9798440, 10288362, 13717816, 14697660, 17147270, 20576724, 25720905, 29395320, 34294540, 41153448, 51441810, 68589080, 102883620, 205767240]

約数ペア:

[(1, 205767240), (2, 102883620), (3, 68589080), (4, 51441810), (5, 41153448), (6, 34294540), (7, 29395320), (8, 25720905), (10, 20576724), (12, 17147270), (14, 14697660), (15, 13717816), (20, 10288362), (21, 9798440), (24, 8573635), (28, 7348830), (30, 6858908), (35, 5879064), (40, 5144181), (42, 4899220), (56, 3674415), (60, 3429454), (70, 2939532), (84, 2449610), (105, 1959688), (120, 1714727), (140, 1469766), (168, 1224805), (210, 979844), (280, 734883), (420, 489922), (487, 422520), (503, 409080), (840, 244961), (974, 211260), (1006, 204540), (1461, 140840), (1509, 136360), (1948, 105630), (2012, 102270), (2435, 84504), (2515, 81816), (2922, 70420), (3018, 68180), (3409, 60360), (3521, 58440), (3896, 52815), (4024, 51135), (4870, 42252), (5030, 40908), (5844, 35210), (6036, 34090), (6818, 30180), (7042, 29220), (7305, 28168), (7545, 27272), (9740, 21126), (10060, 20454), (10227, 20120), (10563, 19480), (11688, 17605), (12072, 17045), (13636, 15090), (14084, 14610)]