8620020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 28723464

約数和(自身を除く): 20103444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 313, 324, 340, 405, 459, 510, 540, 612, 626, 765, 810, 918, 939, 1020, 1252, 1377, 1530, 1565, 1620, 1836, 1878, 2295, 2754, 2817, 3060, 3130, 3756, 4590, 4695, 5321, 5508, 5634, 6260, 6885, 8451, 9180, 9390, 10642, 11268, 13770, 14085, 15963, 16902, 18780, 21284, 25353, 26605, 27540, 28170, 31926, 33804, 42255, 47889, 50706, 53210, 56340, 63852, 79815, 84510, 95778, 101412, 106420, 126765, 143667, 159630, 169020, 191556, 239445, 253530, 287334, 319260, 431001, 478890, 507060, 574668, 718335, 862002, 957780, 1436670, 1724004, 2155005, 2873340, 4310010, 8620020]

約数ペア:

[(1, 8620020), (2, 4310010), (3, 2873340), (4, 2155005), (5, 1724004), (6, 1436670), (9, 957780), (10, 862002), (12, 718335), (15, 574668), (17, 507060), (18, 478890), (20, 431001), (27, 319260), (30, 287334), (34, 253530), (36, 239445), (45, 191556), (51, 169020), (54, 159630), (60, 143667), (68, 126765), (81, 106420), (85, 101412), (90, 95778), (102, 84510), (108, 79815), (135, 63852), (153, 56340), (162, 53210), (170, 50706), (180, 47889), (204, 42255), (255, 33804), (270, 31926), (306, 28170), (313, 27540), (324, 26605), (340, 25353), (405, 21284), (459, 18780), (510, 16902), (540, 15963), (612, 14085), (626, 13770), (765, 11268), (810, 10642), (918, 9390), (939, 9180), (1020, 8451), (1252, 6885), (1377, 6260), (1530, 5634), (1565, 5508), (1620, 5321), (1836, 4695), (1878, 4590), (2295, 3756), (2754, 3130), (2817, 3060)]