19991420160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{3583}}^1$

素因数の和:5060

約数の個数: 144

約数和(自身を含む): 63909371904

約数和(自身を除く): 43917951744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1453, 1920, 2906, 3583, 3840, 4359, 5812, 7166, 7265, 8718, 10749, 11624, 14332, 14530, 17436, 17915, 21498, 21795, 23248, 28664, 29060, 34872, 35830, 42996, 43590, 46496, 53745, 57328, 58120, 69744, 71660, 85992, 87180, 92992, 107490, 114656, 116240, 139488, 143320, 171984, 174360, 185984, 214980, 229312, 232480, 278976, 286640, 343968, 348720, 371968, 429960, 458624, 464960, 557952, 573280, 687936, 697440, 859920, 917248, 929920, 1115904, 1146560, 1375872, 1394880, 1719840, 1859840, 2293120, 2751744, 2789760, 3439680, 4586240, 5206099, 5579520, 6879360, 10412198, 13758720, 15618297, 20824396, 26030495, 31236594, 41648792, 52060990, 62473188, 78091485, 83297584, 104121980, 124946376, 156182970, 166595168, 208243960, 249892752, 312365940, 333190336, 416487920, 499785504, 624731880, 666380672, 832975840, 999571008, 1249463760, 1332761344, 1665951680, 1999142016, 2498927520, 3331903360, 3998284032, 4997855040, 6663806720, 9995710080, 19991420160]

約数ペア:

[(1, 19991420160), (2, 9995710080), (3, 6663806720), (4, 4997855040), (5, 3998284032), (6, 3331903360), (8, 2498927520), (10, 1999142016), (12, 1665951680), (15, 1332761344), (16, 1249463760), (20, 999571008), (24, 832975840), (30, 666380672), (32, 624731880), (40, 499785504), (48, 416487920), (60, 333190336), (64, 312365940), (80, 249892752), (96, 208243960), (120, 166595168), (128, 156182970), (160, 124946376), (192, 104121980), (240, 83297584), (256, 78091485), (320, 62473188), (384, 52060990), (480, 41648792), (640, 31236594), (768, 26030495), (960, 20824396), (1280, 15618297), (1453, 13758720), (1920, 10412198), (2906, 6879360), (3583, 5579520), (3840, 5206099), (4359, 4586240), (5812, 3439680), (7166, 2789760), (7265, 2751744), (8718, 2293120), (10749, 1859840), (11624, 1719840), (14332, 1394880), (14530, 1375872), (17436, 1146560), (17915, 1115904), (21498, 929920), (21795, 917248), (23248, 859920), (28664, 697440), (29060, 687936), (34872, 573280), (35830, 557952), (42996, 464960), (43590, 458624), (46496, 429960), (53745, 371968), (57328, 348720), (58120, 343968), (69744, 286640), (71660, 278976), (85992, 232480), (87180, 229312), (92992, 214980), (107490, 185984), (114656, 174360), (116240, 171984), (139488, 143320)]