28782880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:882

約数の個数: 96

約数和(自身を含む): 80317440

約数和(自身を除く): 51534560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 829, 868, 992, 1085, 1120, 1240, 1658, 1736, 2170, 2480, 3316, 3472, 4145, 4340, 4960, 5803, 6632, 6944, 8290, 8680, 11606, 13264, 16580, 17360, 23212, 25699, 26528, 29015, 33160, 34720, 46424, 51398, 58030, 66320, 92848, 102796, 116060, 128495, 132640, 179893, 185696, 205592, 232120, 256990, 359786, 411184, 464240, 513980, 719572, 822368, 899465, 928480, 1027960, 1439144, 1798930, 2055920, 2878288, 3597860, 4111840, 5756576, 7195720, 14391440, 28782880]

約数ペア:

[(1, 28782880), (2, 14391440), (4, 7195720), (5, 5756576), (7, 4111840), (8, 3597860), (10, 2878288), (14, 2055920), (16, 1798930), (20, 1439144), (28, 1027960), (31, 928480), (32, 899465), (35, 822368), (40, 719572), (56, 513980), (62, 464240), (70, 411184), (80, 359786), (112, 256990), (124, 232120), (140, 205592), (155, 185696), (160, 179893), (217, 132640), (224, 128495), (248, 116060), (280, 102796), (310, 92848), (434, 66320), (496, 58030), (560, 51398), (620, 46424), (829, 34720), (868, 33160), (992, 29015), (1085, 26528), (1120, 25699), (1240, 23212), (1658, 17360), (1736, 16580), (2170, 13264), (2480, 11606), (3316, 8680), (3472, 8290), (4145, 6944), (4340, 6632), (4960, 5803)]