2019998760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{1409}}^1$

素因数の和:2355

約数の個数: 128

約数和(自身を含む): 6537888000

約数和(自身を除く): 4517889240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 919, 1409, 1560, 1838, 2757, 2818, 3676, 4227, 4595, 5514, 5636, 7045, 7352, 8454, 9190, 11028, 11272, 11947, 13785, 14090, 16908, 18317, 18380, 21135, 22056, 23894, 27570, 28180, 33816, 35841, 36634, 36760, 42270, 47788, 54951, 55140, 56360, 59735, 71682, 73268, 84540, 91585, 95576, 109902, 110280, 119470, 143364, 146536, 169080, 179205, 183170, 219804, 238940, 274755, 286728, 358410, 366340, 439608, 477880, 549510, 716820, 732680, 1099020, 1294871, 1433640, 2198040, 2589742, 3884613, 5179484, 6474355, 7769226, 10358968, 12948710, 15538452, 16833323, 19423065, 25897420, 31076904, 33666646, 38846130, 50499969, 51794840, 67333292, 77692260, 84166615, 100999938, 134666584, 155384520, 168333230, 201999876, 252499845, 336666460, 403999752, 504999690, 673332920, 1009999380, 2019998760]

約数ペア:

[(1, 2019998760), (2, 1009999380), (3, 673332920), (4, 504999690), (5, 403999752), (6, 336666460), (8, 252499845), (10, 201999876), (12, 168333230), (13, 155384520), (15, 134666584), (20, 100999938), (24, 84166615), (26, 77692260), (30, 67333292), (39, 51794840), (40, 50499969), (52, 38846130), (60, 33666646), (65, 31076904), (78, 25897420), (104, 19423065), (120, 16833323), (130, 15538452), (156, 12948710), (195, 10358968), (260, 7769226), (312, 6474355), (390, 5179484), (520, 3884613), (780, 2589742), (919, 2198040), (1409, 1433640), (1560, 1294871), (1838, 1099020), (2757, 732680), (2818, 716820), (3676, 549510), (4227, 477880), (4595, 439608), (5514, 366340), (5636, 358410), (7045, 286728), (7352, 274755), (8454, 238940), (9190, 219804), (11028, 183170), (11272, 179205), (11947, 169080), (13785, 146536), (14090, 143364), (16908, 119470), (18317, 110280), (18380, 109902), (21135, 95576), (22056, 91585), (23894, 84540), (27570, 73268), (28180, 71682), (33816, 59735), (35841, 56360), (36634, 55140), (36760, 54951), (42270, 47788)]