28446840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2549}}^1$

素因数の和:2597

約数の個数: 96

約数和(自身を含む): 95472000

約数和(自身を除く): 67025160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2549, 2790, 3720, 5098, 5580, 7647, 10196, 11160, 12745, 15294, 20392, 22941, 25490, 30588, 38235, 45882, 50980, 61176, 76470, 79019, 91764, 101960, 114705, 152940, 158038, 183528, 229410, 237057, 305880, 316076, 395095, 458820, 474114, 632152, 711171, 790190, 917640, 948228, 1185285, 1422342, 1580380, 1896456, 2370570, 2844684, 3160760, 3555855, 4741140, 5689368, 7111710, 9482280, 14223420, 28446840]

約数ペア:

[(1, 28446840), (2, 14223420), (3, 9482280), (4, 7111710), (5, 5689368), (6, 4741140), (8, 3555855), (9, 3160760), (10, 2844684), (12, 2370570), (15, 1896456), (18, 1580380), (20, 1422342), (24, 1185285), (30, 948228), (31, 917640), (36, 790190), (40, 711171), (45, 632152), (60, 474114), (62, 458820), (72, 395095), (90, 316076), (93, 305880), (120, 237057), (124, 229410), (155, 183528), (180, 158038), (186, 152940), (248, 114705), (279, 101960), (310, 91764), (360, 79019), (372, 76470), (465, 61176), (558, 50980), (620, 45882), (744, 38235), (930, 30588), (1116, 25490), (1240, 22941), (1395, 20392), (1860, 15294), (2232, 12745), (2549, 11160), (2790, 10196), (3720, 7647), (5098, 5580)]