1291268580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{1499}}^1$

素因数の和:1818

約数の個数: 144

約数和(自身を含む): 4223016000

約数和(自身を除く): 2931747420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 293, 294, 420, 490, 586, 588, 735, 879, 980, 1172, 1465, 1470, 1499, 1758, 2051, 2930, 2940, 2998, 3516, 4102, 4395, 4497, 5860, 5996, 6153, 7495, 8204, 8790, 8994, 10255, 10493, 12306, 14357, 14990, 17580, 17988, 20510, 20986, 22485, 24612, 28714, 29980, 30765, 31479, 41020, 41972, 43071, 44970, 52465, 57428, 61530, 62958, 71785, 73451, 86142, 89940, 104930, 123060, 125916, 143570, 146902, 157395, 172284, 209860, 215355, 220353, 287140, 293804, 314790, 367255, 430710, 439207, 440706, 629580, 734510, 861420, 878414, 881412, 1101765, 1317621, 1469020, 1756828, 2196035, 2203530, 2635242, 3074449, 4392070, 4407060, 5270484, 6148898, 6588105, 8784140, 9223347, 12297796, 13176210, 15372245, 18446694, 21521143, 26352420, 30744490, 36893388, 43042286, 46116735, 61488980, 64563429, 86084572, 92233470, 107605715, 129126858, 184466940, 215211430, 258253716, 322817145, 430422860, 645634290, 1291268580]

約数ペア:

[(1, 1291268580), (2, 645634290), (3, 430422860), (4, 322817145), (5, 258253716), (6, 215211430), (7, 184466940), (10, 129126858), (12, 107605715), (14, 92233470), (15, 86084572), (20, 64563429), (21, 61488980), (28, 46116735), (30, 43042286), (35, 36893388), (42, 30744490), (49, 26352420), (60, 21521143), (70, 18446694), (84, 15372245), (98, 13176210), (105, 12297796), (140, 9223347), (147, 8784140), (196, 6588105), (210, 6148898), (245, 5270484), (293, 4407060), (294, 4392070), (420, 3074449), (490, 2635242), (586, 2203530), (588, 2196035), (735, 1756828), (879, 1469020), (980, 1317621), (1172, 1101765), (1465, 881412), (1470, 878414), (1499, 861420), (1758, 734510), (2051, 629580), (2930, 440706), (2940, 439207), (2998, 430710), (3516, 367255), (4102, 314790), (4395, 293804), (4497, 287140), (5860, 220353), (5996, 215355), (6153, 209860), (7495, 172284), (8204, 157395), (8790, 146902), (8994, 143570), (10255, 125916), (10493, 123060), (12306, 104930), (14357, 89940), (14990, 86142), (17580, 73451), (17988, 71785), (20510, 62958), (20986, 61530), (22485, 57428), (24612, 52465), (28714, 44970), (29980, 43071), (30765, 41972), (31479, 41020)]