28379880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2591

約数の個数: 96

約数和(自身を含む): 95247360

約数和(自身を除く): 66867480

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, 2543, 2790, 3720, 5086, 5580, 7629, 10172, 11160, 12715, 15258, 20344, 22887, 25430, 30516, 38145, 45774, 50860, 61032, 76290, 78833, 91548, 101720, 114435, 152580, 157666, 183096, 228870, 236499, 305160, 315332, 394165, 457740, 472998, 630664, 709497, 788330, 915480, 945996, 1182495, 1418994, 1576660, 1891992, 2364990, 2837988, 3153320, 3547485, 4729980, 5675976, 7094970, 9459960, 14189940, 28379880]

約数ペア:

[(1, 28379880), (2, 14189940), (3, 9459960), (4, 7094970), (5, 5675976), (6, 4729980), (8, 3547485), (9, 3153320), (10, 2837988), (12, 2364990), (15, 1891992), (18, 1576660), (20, 1418994), (24, 1182495), (30, 945996), (31, 915480), (36, 788330), (40, 709497), (45, 630664), (60, 472998), (62, 457740), (72, 394165), (90, 315332), (93, 305160), (120, 236499), (124, 228870), (155, 183096), (180, 157666), (186, 152580), (248, 114435), (279, 101720), (310, 91548), (360, 78833), (372, 76290), (465, 61032), (558, 50860), (620, 45774), (744, 38145), (930, 30516), (1116, 25430), (1240, 22887), (1395, 20344), (1860, 15258), (2232, 12715), (2543, 11160), (2790, 10172), (3720, 7629), (5086, 5580)]