320901840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{63671}}^1$

素因数の和:63697

約数の個数: 120

約数和(自身を含む): 1231671168

約数和(自身を除く): 910769328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 63671, 127342, 191013, 254684, 318355, 382026, 445697, 509368, 573039, 636710, 764052, 891394, 955065, 1018736, 1146078, 1273420, 1337091, 1528104, 1782788, 1910130, 2228485, 2292156, 2546840, 2674182, 2865195, 3056208, 3565576, 3820260, 4011273, 4456970, 4584312, 5093680, 5348364, 5730390, 6685455, 7131152, 7640520, 8022546, 8913940, 9168624, 10696728, 11460780, 13370910, 15281040, 16045092, 17827880, 20056365, 21393456, 22921560, 26741820, 32090184, 35655760, 40112730, 45843120, 53483640, 64180368, 80225460, 106967280, 160450920, 320901840]

約数ペア:

[(1, 320901840), (2, 160450920), (3, 106967280), (4, 80225460), (5, 64180368), (6, 53483640), (7, 45843120), (8, 40112730), (9, 35655760), (10, 32090184), (12, 26741820), (14, 22921560), (15, 21393456), (16, 20056365), (18, 17827880), (20, 16045092), (21, 15281040), (24, 13370910), (28, 11460780), (30, 10696728), (35, 9168624), (36, 8913940), (40, 8022546), (42, 7640520), (45, 7131152), (48, 6685455), (56, 5730390), (60, 5348364), (63, 5093680), (70, 4584312), (72, 4456970), (80, 4011273), (84, 3820260), (90, 3565576), (105, 3056208), (112, 2865195), (120, 2674182), (126, 2546840), (140, 2292156), (144, 2228485), (168, 1910130), (180, 1782788), (210, 1528104), (240, 1337091), (252, 1273420), (280, 1146078), (315, 1018736), (336, 955065), (360, 891394), (420, 764052), (504, 636710), (560, 573039), (630, 509368), (720, 445697), (840, 382026), (1008, 318355), (1260, 254684), (1680, 191013), (2520, 127342), (5040, 63671)]