28844280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4217}}^1$

素因数の和:4253

約数の個数: 96

約数和(自身を含む): 98701200

約数和(自身を除く): 69856920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 4217, 6840, 8434, 12651, 16868, 21085, 25302, 33736, 37953, 42170, 50604, 63255, 75906, 80123, 84340, 101208, 126510, 151812, 160246, 168680, 189765, 240369, 253020, 303624, 320492, 379530, 400615, 480738, 506040, 640984, 721107, 759060, 801230, 961476, 1201845, 1442214, 1518120, 1602460, 1922952, 2403690, 2884428, 3204920, 3605535, 4807380, 5768856, 7211070, 9614760, 14422140, 28844280]

約数ペア:

[(1, 28844280), (2, 14422140), (3, 9614760), (4, 7211070), (5, 5768856), (6, 4807380), (8, 3605535), (9, 3204920), (10, 2884428), (12, 2403690), (15, 1922952), (18, 1602460), (19, 1518120), (20, 1442214), (24, 1201845), (30, 961476), (36, 801230), (38, 759060), (40, 721107), (45, 640984), (57, 506040), (60, 480738), (72, 400615), (76, 379530), (90, 320492), (95, 303624), (114, 253020), (120, 240369), (152, 189765), (171, 168680), (180, 160246), (190, 151812), (228, 126510), (285, 101208), (342, 84340), (360, 80123), (380, 75906), (456, 63255), (570, 50604), (684, 42170), (760, 37953), (855, 33736), (1140, 25302), (1368, 21085), (1710, 16868), (2280, 12651), (3420, 8434), (4217, 6840)]