428279880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16447}}^1$

素因数の和:16499

約数の個数: 128

約数和(自身を含む): 1515847680

約数和(自身を除く): 1087567800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 16447, 26040, 32894, 49341, 65788, 82235, 98682, 115129, 131576, 164470, 197364, 230258, 246705, 328940, 345387, 394728, 460516, 493410, 509857, 575645, 657880, 690774, 921032, 986820, 1019714, 1151290, 1381548, 1529571, 1726935, 1973640, 2039428, 2302580, 2549285, 2763096, 3059142, 3453870, 3568999, 4078856, 4605160, 5098570, 6118284, 6907740, 7137998, 7647855, 10197140, 10706997, 12236568, 13815480, 14275996, 15295710, 17844995, 20394280, 21413994, 28551992, 30591420, 35689990, 42827988, 53534985, 61182840, 71379980, 85655976, 107069970, 142759960, 214139940, 428279880]

約数ペア:

[(1, 428279880), (2, 214139940), (3, 142759960), (4, 107069970), (5, 85655976), (6, 71379980), (7, 61182840), (8, 53534985), (10, 42827988), (12, 35689990), (14, 30591420), (15, 28551992), (20, 21413994), (21, 20394280), (24, 17844995), (28, 15295710), (30, 14275996), (31, 13815480), (35, 12236568), (40, 10706997), (42, 10197140), (56, 7647855), (60, 7137998), (62, 6907740), (70, 6118284), (84, 5098570), (93, 4605160), (105, 4078856), (120, 3568999), (124, 3453870), (140, 3059142), (155, 2763096), (168, 2549285), (186, 2302580), (210, 2039428), (217, 1973640), (248, 1726935), (280, 1529571), (310, 1381548), (372, 1151290), (420, 1019714), (434, 986820), (465, 921032), (620, 690774), (651, 657880), (744, 575645), (840, 509857), (868, 493410), (930, 460516), (1085, 394728), (1240, 345387), (1302, 328940), (1736, 246705), (1860, 230258), (2170, 197364), (2604, 164470), (3255, 131576), (3720, 115129), (4340, 98682), (5208, 82235), (6510, 65788), (8680, 49341), (13020, 32894), (16447, 26040)]