78204060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 261660672

約数和(自身を除く): 183456612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 127, 132, 165, 180, 198, 220, 254, 311, 330, 381, 396, 495, 508, 622, 635, 660, 762, 933, 990, 1143, 1244, 1270, 1397, 1524, 1555, 1866, 1905, 1980, 2286, 2540, 2794, 2799, 3110, 3421, 3732, 3810, 4191, 4572, 4665, 5588, 5598, 5715, 6220, 6842, 6985, 7620, 8382, 9330, 10263, 11196, 11430, 12573, 13684, 13970, 13995, 16764, 17105, 18660, 20526, 20955, 22860, 25146, 27940, 27990, 30789, 34210, 39497, 41052, 41910, 50292, 51315, 55980, 61578, 62865, 68420, 78994, 83820, 102630, 118491, 123156, 125730, 153945, 157988, 197485, 205260, 236982, 251460, 307890, 355473, 394970, 434467, 473964, 592455, 615780, 710946, 789940, 868934, 1184910, 1303401, 1421892, 1737868, 1777365, 2172335, 2369820, 2606802, 3554730, 3910203, 4344670, 5213604, 6517005, 7109460, 7820406, 8689340, 13034010, 15640812, 19551015, 26068020, 39102030, 78204060]

約数ペア:

[(1, 78204060), (2, 39102030), (3, 26068020), (4, 19551015), (5, 15640812), (6, 13034010), (9, 8689340), (10, 7820406), (11, 7109460), (12, 6517005), (15, 5213604), (18, 4344670), (20, 3910203), (22, 3554730), (30, 2606802), (33, 2369820), (36, 2172335), (44, 1777365), (45, 1737868), (55, 1421892), (60, 1303401), (66, 1184910), (90, 868934), (99, 789940), (110, 710946), (127, 615780), (132, 592455), (165, 473964), (180, 434467), (198, 394970), (220, 355473), (254, 307890), (311, 251460), (330, 236982), (381, 205260), (396, 197485), (495, 157988), (508, 153945), (622, 125730), (635, 123156), (660, 118491), (762, 102630), (933, 83820), (990, 78994), (1143, 68420), (1244, 62865), (1270, 61578), (1397, 55980), (1524, 51315), (1555, 50292), (1866, 41910), (1905, 41052), (1980, 39497), (2286, 34210), (2540, 30789), (2794, 27990), (2799, 27940), (3110, 25146), (3421, 22860), (3732, 20955), (3810, 20526), (4191, 18660), (4572, 17105), (4665, 16764), (5588, 13995), (5598, 13970), (5715, 13684), (6220, 12573), (6842, 11430), (6985, 11196), (7620, 10263), (8382, 9330)]