211955640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7151}}^1$

素因数の和:7197

約数の個数: 128

約数和(自身を含む): 720921600

約数和(自身を除く): 508965960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7151, 7410, 9880, 14302, 14820, 21453, 28604, 29640, 35755, 42906, 57208, 71510, 85812, 92963, 107265, 135869, 143020, 171624, 185926, 214530, 271738, 278889, 286040, 371852, 407607, 429060, 464815, 543476, 557778, 679345, 743704, 815214, 858120, 929630, 1086952, 1115556, 1358690, 1394445, 1630428, 1766297, 1859260, 2038035, 2231112, 2717380, 2788890, 3260856, 3532594, 3718520, 4076070, 5298891, 5434760, 5577780, 7065188, 8152140, 8831485, 10597782, 11155560, 14130376, 16304280, 17662970, 21195564, 26494455, 35325940, 42391128, 52988910, 70651880, 105977820, 211955640]

約数ペア:

[(1, 211955640), (2, 105977820), (3, 70651880), (4, 52988910), (5, 42391128), (6, 35325940), (8, 26494455), (10, 21195564), (12, 17662970), (13, 16304280), (15, 14130376), (19, 11155560), (20, 10597782), (24, 8831485), (26, 8152140), (30, 7065188), (38, 5577780), (39, 5434760), (40, 5298891), (52, 4076070), (57, 3718520), (60, 3532594), (65, 3260856), (76, 2788890), (78, 2717380), (95, 2231112), (104, 2038035), (114, 1859260), (120, 1766297), (130, 1630428), (152, 1394445), (156, 1358690), (190, 1115556), (195, 1086952), (228, 929630), (247, 858120), (260, 815214), (285, 743704), (312, 679345), (380, 557778), (390, 543476), (456, 464815), (494, 429060), (520, 407607), (570, 371852), (741, 286040), (760, 278889), (780, 271738), (988, 214530), (1140, 185926), (1235, 171624), (1482, 143020), (1560, 135869), (1976, 107265), (2280, 92963), (2470, 85812), (2964, 71510), (3705, 57208), (4940, 42906), (5928, 35755), (7151, 29640), (7410, 28604), (9880, 21453), (14302, 14820)]