261852762640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1951}}^1\times {\mathrm{3929}}^1$

素因数の和:5961

約数の個数: 160

約数和(自身を含む): 707728988160

約数和(自身を除く): 445876225520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 1951, 2135, 2440, 3416, 3902, 3929, 4270, 4880, 6832, 7804, 7858, 8540, 9755, 13657, 15608, 15716, 17080, 19510, 19645, 27314, 27503, 31216, 31432, 34160, 39020, 39290, 54628, 55006, 62864, 68285, 78040, 78580, 109256, 110012, 119011, 136570, 137515, 156080, 157160, 218512, 220024, 238022, 239669, 273140, 275030, 314320, 440048, 476044, 479338, 546280, 550060, 595055, 833077, 952088, 958676, 1092560, 1100120, 1190110, 1198345, 1666154, 1677683, 1904176, 1917352, 2200240, 2380220, 2396690, 3332308, 3355366, 3834704, 4165385, 4760440, 4793380, 6664616, 6710732, 7665479, 8330770, 8388415, 9520880, 9586760, 13329232, 13421464, 15330958, 16661540, 16776830, 19173520, 26842928, 30661916, 33323080, 33553660, 38327395, 53658353, 61323832, 66646160, 67107320, 76654790, 107316706, 122647664, 134214640, 153309580, 214633412, 268291765, 306619160, 429266824, 467594219, 536583530, 613238320, 858533648, 935188438, 1073167060, 1870376876, 2146334120, 2337971095, 3273159533, 3740753752, 4292668240, 4675942190, 6546319066, 7481507504, 9351884380, 13092638132, 16365797665, 18703768760, 26185276264, 32731595330, 37407537520, 52370552528, 65463190660, 130926381320, 261852762640]

約数ペア:

[(1, 261852762640), (2, 130926381320), (4, 65463190660), (5, 52370552528), (7, 37407537520), (8, 32731595330), (10, 26185276264), (14, 18703768760), (16, 16365797665), (20, 13092638132), (28, 9351884380), (35, 7481507504), (40, 6546319066), (56, 4675942190), (61, 4292668240), (70, 3740753752), (80, 3273159533), (112, 2337971095), (122, 2146334120), (140, 1870376876), (244, 1073167060), (280, 935188438), (305, 858533648), (427, 613238320), (488, 536583530), (560, 467594219), (610, 429266824), (854, 306619160), (976, 268291765), (1220, 214633412), (1708, 153309580), (1951, 134214640), (2135, 122647664), (2440, 107316706), (3416, 76654790), (3902, 67107320), (3929, 66646160), (4270, 61323832), (4880, 53658353), (6832, 38327395), (7804, 33553660), (7858, 33323080), (8540, 30661916), (9755, 26842928), (13657, 19173520), (15608, 16776830), (15716, 16661540), (17080, 15330958), (19510, 13421464), (19645, 13329232), (27314, 9586760), (27503, 9520880), (31216, 8388415), (31432, 8330770), (34160, 7665479), (39020, 6710732), (39290, 6664616), (54628, 4793380), (55006, 4760440), (62864, 4165385), (68285, 3834704), (78040, 3355366), (78580, 3332308), (109256, 2396690), (110012, 2380220), (119011, 2200240), (136570, 1917352), (137515, 1904176), (156080, 1677683), (157160, 1666154), (218512, 1198345), (220024, 1190110), (238022, 1100120), (239669, 1092560), (273140, 958676), (275030, 952088), (314320, 833077), (440048, 595055), (476044, 550060), (479338, 546280)]