406906920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{161471}}^1$

素因数の和:161495

約数の個数: 96

約数和(自身を含む): 1511377920

約数和(自身を除く): 1104471000

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, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 161471, 322942, 484413, 645884, 807355, 968826, 1130297, 1291768, 1453239, 1614710, 1937652, 2260594, 2422065, 2906478, 3229420, 3390891, 3875304, 4521188, 4844130, 5651485, 5812956, 6458840, 6781782, 7266195, 9042376, 9688260, 10172673, 11302970, 11625912, 13563564, 14532390, 16954455, 19376520, 20345346, 22605940, 27127128, 29064780, 33908910, 40690692, 45211880, 50863365, 58129560, 67817820, 81381384, 101726730, 135635640, 203453460, 406906920]

約数ペア:

[(1, 406906920), (2, 203453460), (3, 135635640), (4, 101726730), (5, 81381384), (6, 67817820), (7, 58129560), (8, 50863365), (9, 45211880), (10, 40690692), (12, 33908910), (14, 29064780), (15, 27127128), (18, 22605940), (20, 20345346), (21, 19376520), (24, 16954455), (28, 14532390), (30, 13563564), (35, 11625912), (36, 11302970), (40, 10172673), (42, 9688260), (45, 9042376), (56, 7266195), (60, 6781782), (63, 6458840), (70, 5812956), (72, 5651485), (84, 4844130), (90, 4521188), (105, 3875304), (120, 3390891), (126, 3229420), (140, 2906478), (168, 2422065), (180, 2260594), (210, 1937652), (252, 1614710), (280, 1453239), (315, 1291768), (360, 1130297), (420, 968826), (504, 807355), (630, 645884), (840, 484413), (1260, 322942), (2520, 161471)]