259626640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1877}}^1$

素因数の和:1929

約数の個数: 160

約数和(自身を含む): 782449920

約数和(自身を除く): 522823280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 520, 532, 560, 665, 728, 760, 910, 988, 1040, 1064, 1235, 1330, 1456, 1520, 1729, 1820, 1877, 1976, 2128, 2470, 2660, 3458, 3640, 3754, 3952, 4940, 5320, 6916, 7280, 7508, 8645, 9385, 9880, 10640, 13139, 13832, 15016, 17290, 18770, 19760, 24401, 26278, 27664, 30032, 34580, 35663, 37540, 48802, 52556, 65695, 69160, 71326, 75080, 97604, 105112, 122005, 131390, 138320, 142652, 150160, 170807, 178315, 195208, 210224, 244010, 249641, 262780, 285304, 341614, 356630, 390416, 463619, 488020, 499282, 525560, 570608, 683228, 713260, 854035, 927238, 976040, 998564, 1051120, 1248205, 1366456, 1426520, 1708070, 1854476, 1952080, 1997128, 2318095, 2496410, 2732912, 2853040, 3245333, 3416140, 3708952, 3994256, 4636190, 4992820, 6490666, 6832280, 7417904, 9272380, 9985640, 12981332, 13664560, 16226665, 18544760, 19971280, 25962664, 32453330, 37089520, 51925328, 64906660, 129813320, 259626640]

約数ペア:

[(1, 259626640), (2, 129813320), (4, 64906660), (5, 51925328), (7, 37089520), (8, 32453330), (10, 25962664), (13, 19971280), (14, 18544760), (16, 16226665), (19, 13664560), (20, 12981332), (26, 9985640), (28, 9272380), (35, 7417904), (38, 6832280), (40, 6490666), (52, 4992820), (56, 4636190), (65, 3994256), (70, 3708952), (76, 3416140), (80, 3245333), (91, 2853040), (95, 2732912), (104, 2496410), (112, 2318095), (130, 1997128), (133, 1952080), (140, 1854476), (152, 1708070), (182, 1426520), (190, 1366456), (208, 1248205), (247, 1051120), (260, 998564), (266, 976040), (280, 927238), (304, 854035), (364, 713260), (380, 683228), (455, 570608), (494, 525560), (520, 499282), (532, 488020), (560, 463619), (665, 390416), (728, 356630), (760, 341614), (910, 285304), (988, 262780), (1040, 249641), (1064, 244010), (1235, 210224), (1330, 195208), (1456, 178315), (1520, 170807), (1729, 150160), (1820, 142652), (1877, 138320), (1976, 131390), (2128, 122005), (2470, 105112), (2660, 97604), (3458, 75080), (3640, 71326), (3754, 69160), (3952, 65695), (4940, 52556), (5320, 48802), (6916, 37540), (7280, 35663), (7508, 34580), (8645, 30032), (9385, 27664), (9880, 26278), (10640, 24401), (13139, 19760), (13832, 18770), (15016, 17290)]