28520550

素因数分解:

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

素因数の和:1118

約数の個数: 72

約数和(自身を含む): 77956320

約数和(自身を除く): 49435770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 61, 75, 90, 122, 150, 183, 225, 305, 366, 450, 549, 610, 915, 1039, 1098, 1525, 1830, 2078, 2745, 3050, 3117, 4575, 5195, 5490, 6234, 9150, 9351, 10390, 13725, 15585, 18702, 25975, 27450, 31170, 46755, 51950, 63379, 77925, 93510, 126758, 155850, 190137, 233775, 316895, 380274, 467550, 570411, 633790, 950685, 1140822, 1584475, 1901370, 2852055, 3168950, 4753425, 5704110, 9506850, 14260275, 28520550]

約数ペア:

[(1, 28520550), (2, 14260275), (3, 9506850), (5, 5704110), (6, 4753425), (9, 3168950), (10, 2852055), (15, 1901370), (18, 1584475), (25, 1140822), (30, 950685), (45, 633790), (50, 570411), (61, 467550), (75, 380274), (90, 316895), (122, 233775), (150, 190137), (183, 155850), (225, 126758), (305, 93510), (366, 77925), (450, 63379), (549, 51950), (610, 46755), (915, 31170), (1039, 27450), (1098, 25975), (1525, 18702), (1830, 15585), (2078, 13725), (2745, 10390), (3050, 9351), (3117, 9150), (4575, 6234), (5195, 5490)]