123040980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1307}}^1$

素因数の和:1845

約数の個数: 72

約数和(自身を含む): 374224032

約数和(自身を除く): 251183052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 523, 1046, 1307, 1569, 2092, 2614, 2615, 3138, 3921, 4707, 5228, 5230, 6276, 6535, 7842, 7845, 9414, 10460, 11763, 13070, 15684, 15690, 18828, 19605, 23526, 23535, 26140, 31380, 39210, 47052, 47070, 58815, 78420, 94140, 117630, 235260, 683561, 1367122, 2050683, 2734244, 3417805, 4101366, 6152049, 6835610, 8202732, 10253415, 12304098, 13671220, 20506830, 24608196, 30760245, 41013660, 61520490, 123040980]

約数ペア:

[(1, 123040980), (2, 61520490), (3, 41013660), (4, 30760245), (5, 24608196), (6, 20506830), (9, 13671220), (10, 12304098), (12, 10253415), (15, 8202732), (18, 6835610), (20, 6152049), (30, 4101366), (36, 3417805), (45, 2734244), (60, 2050683), (90, 1367122), (180, 683561), (523, 235260), (1046, 117630), (1307, 94140), (1569, 78420), (2092, 58815), (2614, 47070), (2615, 47052), (3138, 39210), (3921, 31380), (4707, 26140), (5228, 23535), (5230, 23526), (6276, 19605), (6535, 18828), (7842, 15690), (7845, 15684), (9414, 13070), (10460, 11763)]