28929420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 97765920

約数和(自身を除く): 68836500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 317, 338, 351, 390, 468, 507, 540, 585, 634, 676, 702, 780, 845, 951, 1014, 1170, 1268, 1404, 1521, 1585, 1690, 1755, 1902, 2028, 2340, 2535, 2853, 3042, 3170, 3380, 3510, 3804, 4121, 4563, 4755, 5070, 5706, 6084, 6340, 7020, 7605, 8242, 8559, 9126, 9510, 10140, 11412, 12363, 14265, 15210, 16484, 17118, 18252, 19020, 20605, 22815, 24726, 28530, 30420, 34236, 37089, 41210, 42795, 45630, 49452, 53573, 57060, 61815, 74178, 82420, 85590, 91260, 107146, 111267, 123630, 148356, 160719, 171180, 185445, 214292, 222534, 247260, 267865, 321438, 370890, 445068, 482157, 535730, 556335, 642876, 741780, 803595, 964314, 1071460, 1112670, 1446471, 1607190, 1928628, 2225340, 2410785, 2892942, 3214380, 4821570, 5785884, 7232355, 9643140, 14464710, 28929420]

約数ペア:

[(1, 28929420), (2, 14464710), (3, 9643140), (4, 7232355), (5, 5785884), (6, 4821570), (9, 3214380), (10, 2892942), (12, 2410785), (13, 2225340), (15, 1928628), (18, 1607190), (20, 1446471), (26, 1112670), (27, 1071460), (30, 964314), (36, 803595), (39, 741780), (45, 642876), (52, 556335), (54, 535730), (60, 482157), (65, 445068), (78, 370890), (90, 321438), (108, 267865), (117, 247260), (130, 222534), (135, 214292), (156, 185445), (169, 171180), (180, 160719), (195, 148356), (234, 123630), (260, 111267), (270, 107146), (317, 91260), (338, 85590), (351, 82420), (390, 74178), (468, 61815), (507, 57060), (540, 53573), (585, 49452), (634, 45630), (676, 42795), (702, 41210), (780, 37089), (845, 34236), (951, 30420), (1014, 28530), (1170, 24726), (1268, 22815), (1404, 20605), (1521, 19020), (1585, 18252), (1690, 17118), (1755, 16484), (1902, 15210), (2028, 14265), (2340, 12363), (2535, 11412), (2853, 10140), (3042, 9510), (3170, 9126), (3380, 8559), (3510, 8242), (3804, 7605), (4121, 7020), (4563, 6340), (4755, 6084), (5070, 5706)]