2480456940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:689

約数の個数: 192

約数和(自身を含む): 7779287040

約数和(自身を除く): 5298830100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 607, 620, 676, 780, 806, 845, 930, 1014, 1209, 1214, 1612, 1690, 1821, 1860, 2015, 2028, 2197, 2418, 2428, 2535, 3035, 3380, 3642, 4030, 4394, 4836, 5070, 5239, 6045, 6070, 6591, 7284, 7891, 8060, 8788, 9105, 10140, 10478, 10985, 12090, 12140, 13182, 15717, 15782, 18210, 18817, 20956, 21970, 23673, 24180, 26195, 26364, 31434, 31564, 32955, 36420, 37634, 39455, 43940, 47346, 52390, 56451, 62868, 65910, 68107, 75268, 78585, 78910, 94085, 94692, 102583, 104780, 112902, 118365, 131820, 136214, 157170, 157820, 188170, 204321, 205166, 225804, 236730, 244621, 272428, 282255, 307749, 314340, 340535, 376340, 408642, 410332, 473460, 489242, 512915, 564510, 615498, 681070, 733863, 817284, 978484, 1021605, 1025830, 1129020, 1223105, 1230996, 1333579, 1362140, 1467726, 1538745, 2043210, 2051660, 2446210, 2667158, 2935452, 3077490, 3180073, 3669315, 4000737, 4086420, 4892420, 5334316, 6154980, 6360146, 6667895, 7338630, 8001474, 9540219, 12720292, 13335790, 14677260, 15900365, 16002948, 19080438, 20003685, 26671580, 31800730, 38160876, 40007370, 41340949, 47701095, 63601460, 80014740, 82681898, 95402190, 124022847, 165363796, 190804380, 206704745, 248045694, 413409490, 496091388, 620114235, 826818980, 1240228470, 2480456940]

約数ペア:

[(1, 2480456940), (2, 1240228470), (3, 826818980), (4, 620114235), (5, 496091388), (6, 413409490), (10, 248045694), (12, 206704745), (13, 190804380), (15, 165363796), (20, 124022847), (26, 95402190), (30, 82681898), (31, 80014740), (39, 63601460), (52, 47701095), (60, 41340949), (62, 40007370), (65, 38160876), (78, 31800730), (93, 26671580), (124, 20003685), (130, 19080438), (155, 16002948), (156, 15900365), (169, 14677260), (186, 13335790), (195, 12720292), (260, 9540219), (310, 8001474), (338, 7338630), (372, 6667895), (390, 6360146), (403, 6154980), (465, 5334316), (507, 4892420), (607, 4086420), (620, 4000737), (676, 3669315), (780, 3180073), (806, 3077490), (845, 2935452), (930, 2667158), (1014, 2446210), (1209, 2051660), (1214, 2043210), (1612, 1538745), (1690, 1467726), (1821, 1362140), (1860, 1333579), (2015, 1230996), (2028, 1223105), (2197, 1129020), (2418, 1025830), (2428, 1021605), (2535, 978484), (3035, 817284), (3380, 733863), (3642, 681070), (4030, 615498), (4394, 564510), (4836, 512915), (5070, 489242), (5239, 473460), (6045, 410332), (6070, 408642), (6591, 376340), (7284, 340535), (7891, 314340), (8060, 307749), (8788, 282255), (9105, 272428), (10140, 244621), (10478, 236730), (10985, 225804), (12090, 205166), (12140, 204321), (13182, 188170), (15717, 157820), (15782, 157170), (18210, 136214), (18817, 131820), (20956, 118365), (21970, 112902), (23673, 104780), (24180, 102583), (26195, 94692), (26364, 94085), (31434, 78910), (31564, 78585), (32955, 75268), (36420, 68107), (37634, 65910), (39455, 62868), (43940, 56451), (47346, 52390)]