123142460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 311592960

約数和(自身を除く): 188450500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 167, 229, 230, 322, 334, 458, 460, 644, 668, 805, 835, 916, 1145, 1169, 1603, 1610, 1670, 2290, 2338, 3206, 3220, 3340, 3841, 4580, 4676, 5267, 5845, 6412, 7682, 8015, 10534, 11690, 15364, 16030, 19205, 21068, 23380, 26335, 26887, 32060, 36869, 38243, 38410, 52670, 53774, 73738, 76486, 76820, 105340, 107548, 134435, 147476, 152972, 184345, 191215, 267701, 268870, 368690, 382430, 535402, 537740, 737380, 764860, 879589, 1070804, 1338505, 1759178, 2677010, 3518356, 4397945, 5354020, 6157123, 8795890, 12314246, 17591780, 24628492, 30785615, 61571230, 123142460]

約数ペア:

[(1, 123142460), (2, 61571230), (4, 30785615), (5, 24628492), (7, 17591780), (10, 12314246), (14, 8795890), (20, 6157123), (23, 5354020), (28, 4397945), (35, 3518356), (46, 2677010), (70, 1759178), (92, 1338505), (115, 1070804), (140, 879589), (161, 764860), (167, 737380), (229, 537740), (230, 535402), (322, 382430), (334, 368690), (458, 268870), (460, 267701), (644, 191215), (668, 184345), (805, 152972), (835, 147476), (916, 134435), (1145, 107548), (1169, 105340), (1603, 76820), (1610, 76486), (1670, 73738), (2290, 53774), (2338, 52670), (3206, 38410), (3220, 38243), (3340, 36869), (3841, 32060), (4580, 26887), (4676, 26335), (5267, 23380), (5845, 21068), (6412, 19205), (7682, 16030), (8015, 15364), (10534, 11690)]