128312940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17971}}^1$

素因数の和:18007

約数の個数: 96

約数和(自身を含む): 434778624

約数和(自身を除く): 306465684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 17971, 35942, 53913, 71884, 89855, 107826, 125797, 179710, 215652, 251594, 269565, 305507, 359420, 377391, 503188, 539130, 611014, 628985, 754782, 916521, 1078260, 1222028, 1257970, 1509564, 1527535, 1833042, 1886955, 2138549, 2515940, 3055070, 3666084, 3773910, 4277098, 4582605, 6110140, 6415647, 7547820, 8554196, 9165210, 10692745, 12831294, 18330420, 21385490, 25662588, 32078235, 42770980, 64156470, 128312940]

約数ペア:

[(1, 128312940), (2, 64156470), (3, 42770980), (4, 32078235), (5, 25662588), (6, 21385490), (7, 18330420), (10, 12831294), (12, 10692745), (14, 9165210), (15, 8554196), (17, 7547820), (20, 6415647), (21, 6110140), (28, 4582605), (30, 4277098), (34, 3773910), (35, 3666084), (42, 3055070), (51, 2515940), (60, 2138549), (68, 1886955), (70, 1833042), (84, 1527535), (85, 1509564), (102, 1257970), (105, 1222028), (119, 1078260), (140, 916521), (170, 754782), (204, 628985), (210, 611014), (238, 539130), (255, 503188), (340, 377391), (357, 359420), (420, 305507), (476, 269565), (510, 251594), (595, 215652), (714, 179710), (1020, 125797), (1190, 107826), (1428, 89855), (1785, 71884), (2380, 53913), (3570, 35942), (7140, 17971)]