28555920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2333}}^1$

素因数の和:2369

約数の個数: 120

約数和(自身を含む): 101585016

約数和(自身を除く): 73029096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2333, 2448, 3060, 4080, 4666, 6120, 6999, 9332, 11665, 12240, 13998, 18664, 20997, 23330, 27996, 34995, 37328, 39661, 41994, 46660, 55992, 69990, 79322, 83988, 93320, 104985, 111984, 118983, 139980, 158644, 167976, 186640, 198305, 209970, 237966, 279960, 317288, 335952, 356949, 396610, 419940, 475932, 559920, 594915, 634576, 713898, 793220, 839880, 951864, 1189830, 1427796, 1586440, 1679760, 1784745, 1903728, 2379660, 2855592, 3172880, 3569490, 4759320, 5711184, 7138980, 9518640, 14277960, 28555920]

約数ペア:

[(1, 28555920), (2, 14277960), (3, 9518640), (4, 7138980), (5, 5711184), (6, 4759320), (8, 3569490), (9, 3172880), (10, 2855592), (12, 2379660), (15, 1903728), (16, 1784745), (17, 1679760), (18, 1586440), (20, 1427796), (24, 1189830), (30, 951864), (34, 839880), (36, 793220), (40, 713898), (45, 634576), (48, 594915), (51, 559920), (60, 475932), (68, 419940), (72, 396610), (80, 356949), (85, 335952), (90, 317288), (102, 279960), (120, 237966), (136, 209970), (144, 198305), (153, 186640), (170, 167976), (180, 158644), (204, 139980), (240, 118983), (255, 111984), (272, 104985), (306, 93320), (340, 83988), (360, 79322), (408, 69990), (510, 55992), (612, 46660), (680, 41994), (720, 39661), (765, 37328), (816, 34995), (1020, 27996), (1224, 23330), (1360, 20997), (1530, 18664), (2040, 13998), (2333, 12240), (2448, 11665), (3060, 9332), (4080, 6999), (4666, 6120)]