80211780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2383}}^1$

素因数の和:2426

約数の個数: 144

約数和(自身を含む): 281159424

約数和(自身を除く): 200947644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 660, 748, 765, 935, 990, 1020, 1122, 1530, 1683, 1870, 1980, 2244, 2383, 2805, 3060, 3366, 3740, 4766, 5610, 6732, 7149, 8415, 9532, 11220, 11915, 14298, 16830, 21447, 23830, 26213, 28596, 33660, 35745, 40511, 42894, 47660, 52426, 71490, 78639, 81022, 85788, 104852, 107235, 121533, 131065, 142980, 157278, 162044, 202555, 214470, 235917, 243066, 262130, 314556, 364599, 393195, 405110, 428940, 445621, 471834, 486132, 524260, 607665, 729198, 786390, 810220, 891242, 943668, 1179585, 1215330, 1336863, 1458396, 1572780, 1782484, 1822995, 2228105, 2359170, 2430660, 2673726, 3645990, 4010589, 4456210, 4718340, 5347452, 6684315, 7291980, 8021178, 8912420, 13368630, 16042356, 20052945, 26737260, 40105890, 80211780]

約数ペア:

[(1, 80211780), (2, 40105890), (3, 26737260), (4, 20052945), (5, 16042356), (6, 13368630), (9, 8912420), (10, 8021178), (11, 7291980), (12, 6684315), (15, 5347452), (17, 4718340), (18, 4456210), (20, 4010589), (22, 3645990), (30, 2673726), (33, 2430660), (34, 2359170), (36, 2228105), (44, 1822995), (45, 1782484), (51, 1572780), (55, 1458396), (60, 1336863), (66, 1215330), (68, 1179585), (85, 943668), (90, 891242), (99, 810220), (102, 786390), (110, 729198), (132, 607665), (153, 524260), (165, 486132), (170, 471834), (180, 445621), (187, 428940), (198, 405110), (204, 393195), (220, 364599), (255, 314556), (306, 262130), (330, 243066), (340, 235917), (374, 214470), (396, 202555), (495, 162044), (510, 157278), (561, 142980), (612, 131065), (660, 121533), (748, 107235), (765, 104852), (935, 85788), (990, 81022), (1020, 78639), (1122, 71490), (1530, 52426), (1683, 47660), (1870, 42894), (1980, 40511), (2244, 35745), (2383, 33660), (2805, 28596), (3060, 26213), (3366, 23830), (3740, 21447), (4766, 16830), (5610, 14298), (6732, 11915), (7149, 11220), (8415, 9532)]