1989441120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5813}}^1$

素因数の和:5885

約数の個数: 192

約数和(自身を含む): 6751309824

約数和(自身を除く): 4761868704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 69, 80, 92, 93, 96, 115, 120, 124, 138, 155, 160, 184, 186, 230, 240, 248, 276, 310, 345, 368, 372, 460, 465, 480, 496, 552, 620, 690, 713, 736, 744, 920, 930, 992, 1104, 1240, 1380, 1426, 1488, 1840, 1860, 2139, 2208, 2480, 2760, 2852, 2976, 3565, 3680, 3720, 4278, 4960, 5520, 5704, 5813, 7130, 7440, 8556, 10695, 11040, 11408, 11626, 14260, 14880, 17112, 17439, 21390, 22816, 23252, 28520, 29065, 34224, 34878, 42780, 46504, 57040, 58130, 68448, 69756, 85560, 87195, 93008, 114080, 116260, 133699, 139512, 171120, 174390, 180203, 186016, 232520, 267398, 279024, 342240, 348780, 360406, 401097, 465040, 534796, 540609, 558048, 668495, 697560, 720812, 802194, 901015, 930080, 1069592, 1081218, 1336990, 1395120, 1441624, 1604388, 1802030, 2005485, 2139184, 2162436, 2673980, 2703045, 2790240, 2883248, 3208776, 3604060, 4010970, 4144669, 4278368, 4324872, 5347960, 5406090, 5766496, 6417552, 7208120, 8021940, 8289338, 8649744, 10695920, 10812180, 12434007, 12835104, 14416240, 16043880, 16578676, 17299488, 20723345, 21391840, 21624360, 24868014, 28832480, 32087760, 33157352, 41446690, 43248720, 49736028, 62170035, 64175520, 66314704, 82893380, 86497440, 99472056, 124340070, 132629408, 165786760, 198944112, 248680140, 331573520, 397888224, 497360280, 663147040, 994720560, 1989441120]

約数ペア:

[(1, 1989441120), (2, 994720560), (3, 663147040), (4, 497360280), (5, 397888224), (6, 331573520), (8, 248680140), (10, 198944112), (12, 165786760), (15, 132629408), (16, 124340070), (20, 99472056), (23, 86497440), (24, 82893380), (30, 66314704), (31, 64175520), (32, 62170035), (40, 49736028), (46, 43248720), (48, 41446690), (60, 33157352), (62, 32087760), (69, 28832480), (80, 24868014), (92, 21624360), (93, 21391840), (96, 20723345), (115, 17299488), (120, 16578676), (124, 16043880), (138, 14416240), (155, 12835104), (160, 12434007), (184, 10812180), (186, 10695920), (230, 8649744), (240, 8289338), (248, 8021940), (276, 7208120), (310, 6417552), (345, 5766496), (368, 5406090), (372, 5347960), (460, 4324872), (465, 4278368), (480, 4144669), (496, 4010970), (552, 3604060), (620, 3208776), (690, 2883248), (713, 2790240), (736, 2703045), (744, 2673980), (920, 2162436), (930, 2139184), (992, 2005485), (1104, 1802030), (1240, 1604388), (1380, 1441624), (1426, 1395120), (1488, 1336990), (1840, 1081218), (1860, 1069592), (2139, 930080), (2208, 901015), (2480, 802194), (2760, 720812), (2852, 697560), (2976, 668495), (3565, 558048), (3680, 540609), (3720, 534796), (4278, 465040), (4960, 401097), (5520, 360406), (5704, 348780), (5813, 342240), (7130, 279024), (7440, 267398), (8556, 232520), (10695, 186016), (11040, 180203), (11408, 174390), (11626, 171120), (14260, 139512), (14880, 133699), (17112, 116260), (17439, 114080), (21390, 93008), (22816, 87195), (23252, 85560), (28520, 69756), (29065, 68448), (34224, 58130), (34878, 57040), (42780, 46504)]