406972440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{23071}}^1$

素因数の和:23102

約数の個数: 144

約数和(自身を含む): 1538671680

約数和(自身を除く): 1131699240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 23071, 46142, 69213, 92284, 115355, 138426, 161497, 184568, 207639, 230710, 276852, 322994, 346065, 415278, 461420, 484491, 553704, 645988, 692130, 807485, 830556, 922840, 968982, 1038195, 1130479, 1291976, 1384260, 1453473, 1614970, 1661112, 1937964, 2076390, 2260958, 2422455, 2768520, 2906946, 3229940, 3391437, 3875928, 4152780, 4521916, 4844910, 5652395, 5813892, 6459880, 6782874, 7267365, 8305560, 9043832, 9689820, 10174311, 11304790, 11627784, 13565748, 14534730, 16957185, 19379640, 20348622, 22609580, 27131496, 29069460, 33914370, 40697244, 45219160, 50871555, 58138920, 67828740, 81394488, 101743110, 135657480, 203486220, 406972440]

約数ペア:

[(1, 406972440), (2, 203486220), (3, 135657480), (4, 101743110), (5, 81394488), (6, 67828740), (7, 58138920), (8, 50871555), (9, 45219160), (10, 40697244), (12, 33914370), (14, 29069460), (15, 27131496), (18, 22609580), (20, 20348622), (21, 19379640), (24, 16957185), (28, 14534730), (30, 13565748), (35, 11627784), (36, 11304790), (40, 10174311), (42, 9689820), (45, 9043832), (49, 8305560), (56, 7267365), (60, 6782874), (63, 6459880), (70, 5813892), (72, 5652395), (84, 4844910), (90, 4521916), (98, 4152780), (105, 3875928), (120, 3391437), (126, 3229940), (140, 2906946), (147, 2768520), (168, 2422455), (180, 2260958), (196, 2076390), (210, 1937964), (245, 1661112), (252, 1614970), (280, 1453473), (294, 1384260), (315, 1291976), (360, 1130479), (392, 1038195), (420, 968982), (441, 922840), (490, 830556), (504, 807485), (588, 692130), (630, 645988), (735, 553704), (840, 484491), (882, 461420), (980, 415278), (1176, 346065), (1260, 322994), (1470, 276852), (1764, 230710), (1960, 207639), (2205, 184568), (2520, 161497), (2940, 138426), (3528, 115355), (4410, 92284), (5880, 69213), (8820, 46142), (17640, 23071)]