51336990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1119

約数の個数: 80

約数和(自身を含む): 140437440

約数和(自身を除く): 89100450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 270, 305, 366, 405, 549, 610, 810, 915, 1039, 1098, 1647, 1830, 2078, 2745, 3117, 3294, 4941, 5195, 5490, 6234, 8235, 9351, 9882, 10390, 15585, 16470, 18702, 24705, 28053, 31170, 46755, 49410, 56106, 63379, 84159, 93510, 126758, 140265, 168318, 190137, 280530, 316895, 380274, 420795, 570411, 633790, 841590, 950685, 1140822, 1711233, 1901370, 2852055, 3422466, 5133699, 5704110, 8556165, 10267398, 17112330, 25668495, 51336990]

約数ペア:

[(1, 51336990), (2, 25668495), (3, 17112330), (5, 10267398), (6, 8556165), (9, 5704110), (10, 5133699), (15, 3422466), (18, 2852055), (27, 1901370), (30, 1711233), (45, 1140822), (54, 950685), (61, 841590), (81, 633790), (90, 570411), (122, 420795), (135, 380274), (162, 316895), (183, 280530), (270, 190137), (305, 168318), (366, 140265), (405, 126758), (549, 93510), (610, 84159), (810, 63379), (915, 56106), (1039, 49410), (1098, 46755), (1647, 31170), (1830, 28053), (2078, 24705), (2745, 18702), (3117, 16470), (3294, 15585), (4941, 10390), (5195, 9882), (5490, 9351), (6234, 8235)]