30641940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 107872128

約数和(自身を除く): 77230188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 293, 315, 332, 415, 420, 498, 581, 586, 630, 747, 830, 879, 996, 1162, 1172, 1245, 1260, 1465, 1494, 1660, 1743, 1758, 2051, 2324, 2490, 2637, 2905, 2930, 2988, 3486, 3516, 3735, 4102, 4395, 4980, 5229, 5274, 5810, 5860, 6153, 6972, 7470, 8204, 8715, 8790, 10255, 10458, 10548, 11620, 12306, 13185, 14940, 17430, 17580, 18459, 20510, 20916, 24319, 24612, 26145, 26370, 30765, 34860, 36918, 41020, 48638, 52290, 52740, 61530, 72957, 73836, 92295, 97276, 104580, 121595, 123060, 145914, 170233, 184590, 218871, 243190, 291828, 340466, 364785, 369180, 437742, 486380, 510699, 680932, 729570, 851165, 875484, 1021398, 1094355, 1459140, 1532097, 1702330, 2042796, 2188710, 2553495, 3064194, 3404660, 4377420, 5106990, 6128388, 7660485, 10213980, 15320970, 30641940]

約数ペア:

[(1, 30641940), (2, 15320970), (3, 10213980), (4, 7660485), (5, 6128388), (6, 5106990), (7, 4377420), (9, 3404660), (10, 3064194), (12, 2553495), (14, 2188710), (15, 2042796), (18, 1702330), (20, 1532097), (21, 1459140), (28, 1094355), (30, 1021398), (35, 875484), (36, 851165), (42, 729570), (45, 680932), (60, 510699), (63, 486380), (70, 437742), (83, 369180), (84, 364785), (90, 340466), (105, 291828), (126, 243190), (140, 218871), (166, 184590), (180, 170233), (210, 145914), (249, 123060), (252, 121595), (293, 104580), (315, 97276), (332, 92295), (415, 73836), (420, 72957), (498, 61530), (581, 52740), (586, 52290), (630, 48638), (747, 41020), (830, 36918), (879, 34860), (996, 30765), (1162, 26370), (1172, 26145), (1245, 24612), (1260, 24319), (1465, 20916), (1494, 20510), (1660, 18459), (1743, 17580), (1758, 17430), (2051, 14940), (2324, 13185), (2490, 12306), (2637, 11620), (2905, 10548), (2930, 10458), (2988, 10255), (3486, 8790), (3516, 8715), (3735, 8204), (4102, 7470), (4395, 6972), (4980, 6153), (5229, 5860), (5274, 5810)]