65377760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 186157440

約数和(自身を除く): 120779680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 269, 280, 310, 392, 434, 490, 496, 538, 560, 620, 784, 868, 980, 992, 1076, 1085, 1120, 1240, 1345, 1519, 1568, 1736, 1883, 1960, 2152, 2170, 2480, 2690, 3038, 3472, 3766, 3920, 4304, 4340, 4960, 5380, 6076, 6944, 7532, 7595, 7840, 8339, 8608, 8680, 9415, 10760, 12152, 13181, 15064, 15190, 16678, 17360, 18830, 21520, 24304, 26362, 30128, 30380, 33356, 34720, 37660, 41695, 43040, 48608, 52724, 58373, 60256, 60760, 65905, 66712, 75320, 83390, 105448, 116746, 121520, 131810, 133424, 150640, 166780, 210896, 233492, 243040, 263620, 266848, 291865, 301280, 333560, 408611, 421792, 466984, 527240, 583730, 667120, 817222, 933968, 1054480, 1167460, 1334240, 1634444, 1867936, 2043055, 2108960, 2334920, 3268888, 4086110, 4669840, 6537776, 8172220, 9339680, 13075552, 16344440, 32688880, 65377760]

約数ペア:

[(1, 65377760), (2, 32688880), (4, 16344440), (5, 13075552), (7, 9339680), (8, 8172220), (10, 6537776), (14, 4669840), (16, 4086110), (20, 3268888), (28, 2334920), (31, 2108960), (32, 2043055), (35, 1867936), (40, 1634444), (49, 1334240), (56, 1167460), (62, 1054480), (70, 933968), (80, 817222), (98, 667120), (112, 583730), (124, 527240), (140, 466984), (155, 421792), (160, 408611), (196, 333560), (217, 301280), (224, 291865), (245, 266848), (248, 263620), (269, 243040), (280, 233492), (310, 210896), (392, 166780), (434, 150640), (490, 133424), (496, 131810), (538, 121520), (560, 116746), (620, 105448), (784, 83390), (868, 75320), (980, 66712), (992, 65905), (1076, 60760), (1085, 60256), (1120, 58373), (1240, 52724), (1345, 48608), (1519, 43040), (1568, 41695), (1736, 37660), (1883, 34720), (1960, 33356), (2152, 30380), (2170, 30128), (2480, 26362), (2690, 24304), (3038, 21520), (3472, 18830), (3766, 17360), (3920, 16678), (4304, 15190), (4340, 15064), (4960, 13181), (5380, 12152), (6076, 10760), (6944, 9415), (7532, 8680), (7595, 8608), (7840, 8339)]