61399260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1428

約数の個数: 144

約数和(自身を含む): 211280160

約数和(自身を除く): 149880900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1381, 1482, 1710, 2223, 2340, 2470, 2762, 2964, 3420, 3705, 4143, 4446, 4940, 5524, 6905, 7410, 8286, 8892, 11115, 12429, 13810, 14820, 16572, 17953, 20715, 22230, 24858, 26239, 27620, 35906, 41430, 44460, 49716, 52478, 53859, 62145, 71812, 78717, 82860, 89765, 104956, 107718, 124290, 131195, 157434, 161577, 179530, 215436, 236151, 248580, 262390, 269295, 314868, 323154, 341107, 359060, 393585, 472302, 524780, 538590, 646308, 682214, 787170, 807885, 944604, 1023321, 1077180, 1180755, 1364428, 1574340, 1615770, 1705535, 2046642, 2361510, 3069963, 3231540, 3411070, 4093284, 4723020, 5116605, 6139926, 6822140, 10233210, 12279852, 15349815, 20466420, 30699630, 61399260]

約数ペア:

[(1, 61399260), (2, 30699630), (3, 20466420), (4, 15349815), (5, 12279852), (6, 10233210), (9, 6822140), (10, 6139926), (12, 5116605), (13, 4723020), (15, 4093284), (18, 3411070), (19, 3231540), (20, 3069963), (26, 2361510), (30, 2046642), (36, 1705535), (38, 1615770), (39, 1574340), (45, 1364428), (52, 1180755), (57, 1077180), (60, 1023321), (65, 944604), (76, 807885), (78, 787170), (90, 682214), (95, 646308), (114, 538590), (117, 524780), (130, 472302), (156, 393585), (171, 359060), (180, 341107), (190, 323154), (195, 314868), (228, 269295), (234, 262390), (247, 248580), (260, 236151), (285, 215436), (342, 179530), (380, 161577), (390, 157434), (468, 131195), (494, 124290), (570, 107718), (585, 104956), (684, 89765), (741, 82860), (780, 78717), (855, 71812), (988, 62145), (1140, 53859), (1170, 52478), (1235, 49716), (1381, 44460), (1482, 41430), (1710, 35906), (2223, 27620), (2340, 26239), (2470, 24858), (2762, 22230), (2964, 20715), (3420, 17953), (3705, 16572), (4143, 14820), (4446, 13810), (4940, 12429), (5524, 11115), (6905, 8892), (7410, 8286)]