256564680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4057}}^1$

素因数の和:4119

約数の個数: 128

約数和(自身を含む): 841466880

約数和(自身を除く): 584902200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 4057, 4216, 5270, 6324, 7905, 8114, 10540, 12171, 12648, 15810, 16228, 20285, 21080, 24342, 31620, 32456, 40570, 48684, 60855, 63240, 68969, 81140, 97368, 121710, 125767, 137938, 162280, 206907, 243420, 251534, 275876, 344845, 377301, 413814, 486840, 503068, 551752, 628835, 689690, 754602, 827628, 1006136, 1034535, 1257670, 1379380, 1509204, 1655256, 1886505, 2069070, 2138039, 2515340, 2758760, 3018408, 3773010, 4138140, 4276078, 5030680, 6414117, 7546020, 8276280, 8552156, 10690195, 12828234, 15092040, 17104312, 21380390, 25656468, 32070585, 42760780, 51312936, 64141170, 85521560, 128282340, 256564680]

約数ペア:

[(1, 256564680), (2, 128282340), (3, 85521560), (4, 64141170), (5, 51312936), (6, 42760780), (8, 32070585), (10, 25656468), (12, 21380390), (15, 17104312), (17, 15092040), (20, 12828234), (24, 10690195), (30, 8552156), (31, 8276280), (34, 7546020), (40, 6414117), (51, 5030680), (60, 4276078), (62, 4138140), (68, 3773010), (85, 3018408), (93, 2758760), (102, 2515340), (120, 2138039), (124, 2069070), (136, 1886505), (155, 1655256), (170, 1509204), (186, 1379380), (204, 1257670), (248, 1034535), (255, 1006136), (310, 827628), (340, 754602), (372, 689690), (408, 628835), (465, 551752), (510, 503068), (527, 486840), (620, 413814), (680, 377301), (744, 344845), (930, 275876), (1020, 251534), (1054, 243420), (1240, 206907), (1581, 162280), (1860, 137938), (2040, 125767), (2108, 121710), (2635, 97368), (3162, 81140), (3720, 68969), (4057, 63240), (4216, 60855), (5270, 48684), (6324, 40570), (7905, 32456), (8114, 31620), (10540, 24342), (12171, 21080), (12648, 20285), (15810, 16228)]