803089720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 1990656000

約数和(自身を除く): 1187566280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 89, 95, 124, 152, 155, 178, 190, 248, 310, 356, 380, 383, 445, 589, 620, 712, 760, 766, 890, 1178, 1240, 1532, 1691, 1780, 1915, 2356, 2759, 2945, 3064, 3382, 3560, 3830, 4712, 5518, 5890, 6764, 7277, 7660, 8455, 11036, 11780, 11873, 13528, 13795, 14554, 15320, 16910, 22072, 23560, 23746, 27590, 29108, 33820, 34087, 36385, 47492, 52421, 55180, 58216, 59365, 67640, 68174, 72770, 94984, 104842, 110360, 118730, 136348, 145540, 170435, 209684, 225587, 237460, 262105, 272696, 291080, 340870, 419368, 451174, 474920, 524210, 647653, 681740, 902348, 1048420, 1056697, 1127935, 1295306, 1363480, 1804696, 2096840, 2113394, 2255870, 2590612, 3238265, 4226788, 4511740, 5181224, 5283485, 6476530, 8453576, 9023480, 10566970, 12953060, 20077243, 21133940, 25906120, 40154486, 42267880, 80308972, 100386215, 160617944, 200772430, 401544860, 803089720]

約数ペア:

[(1, 803089720), (2, 401544860), (4, 200772430), (5, 160617944), (8, 100386215), (10, 80308972), (19, 42267880), (20, 40154486), (31, 25906120), (38, 21133940), (40, 20077243), (62, 12953060), (76, 10566970), (89, 9023480), (95, 8453576), (124, 6476530), (152, 5283485), (155, 5181224), (178, 4511740), (190, 4226788), (248, 3238265), (310, 2590612), (356, 2255870), (380, 2113394), (383, 2096840), (445, 1804696), (589, 1363480), (620, 1295306), (712, 1127935), (760, 1056697), (766, 1048420), (890, 902348), (1178, 681740), (1240, 647653), (1532, 524210), (1691, 474920), (1780, 451174), (1915, 419368), (2356, 340870), (2759, 291080), (2945, 272696), (3064, 262105), (3382, 237460), (3560, 225587), (3830, 209684), (4712, 170435), (5518, 145540), (5890, 136348), (6764, 118730), (7277, 110360), (7660, 104842), (8455, 94984), (11036, 72770), (11780, 68174), (11873, 67640), (13528, 59365), (13795, 58216), (14554, 55180), (15320, 52421), (16910, 47492), (22072, 36385), (23560, 34087), (23746, 33820), (27590, 29108)]