72263240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 198720000

約数和(自身を除く): 126456760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 229, 230, 245, 280, 322, 343, 392, 458, 460, 490, 644, 686, 805, 916, 920, 980, 1127, 1145, 1288, 1372, 1603, 1610, 1715, 1832, 1960, 2254, 2290, 2744, 3206, 3220, 3430, 4508, 4580, 5267, 5635, 6412, 6440, 6860, 7889, 8015, 9016, 9160, 10534, 11221, 11270, 12824, 13720, 15778, 16030, 21068, 22442, 22540, 26335, 31556, 32060, 36869, 39445, 42136, 44884, 45080, 52670, 56105, 63112, 64120, 73738, 78547, 78890, 89768, 105340, 112210, 147476, 157094, 157780, 184345, 210680, 224420, 258083, 294952, 314188, 315560, 368690, 392735, 448840, 516166, 628376, 737380, 785470, 1032332, 1290415, 1474760, 1570940, 1806581, 2064664, 2580830, 3141880, 3613162, 5161660, 7226324, 9032905, 10323320, 14452648, 18065810, 36131620, 72263240]

約数ペア:

[(1, 72263240), (2, 36131620), (4, 18065810), (5, 14452648), (7, 10323320), (8, 9032905), (10, 7226324), (14, 5161660), (20, 3613162), (23, 3141880), (28, 2580830), (35, 2064664), (40, 1806581), (46, 1570940), (49, 1474760), (56, 1290415), (70, 1032332), (92, 785470), (98, 737380), (115, 628376), (140, 516166), (161, 448840), (184, 392735), (196, 368690), (229, 315560), (230, 314188), (245, 294952), (280, 258083), (322, 224420), (343, 210680), (392, 184345), (458, 157780), (460, 157094), (490, 147476), (644, 112210), (686, 105340), (805, 89768), (916, 78890), (920, 78547), (980, 73738), (1127, 64120), (1145, 63112), (1288, 56105), (1372, 52670), (1603, 45080), (1610, 44884), (1715, 42136), (1832, 39445), (1960, 36869), (2254, 32060), (2290, 31556), (2744, 26335), (3206, 22540), (3220, 22442), (3430, 21068), (4508, 16030), (4580, 15778), (5267, 13720), (5635, 12824), (6412, 11270), (6440, 11221), (6860, 10534), (7889, 9160), (8015, 9016)]