261404730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:452

約数の個数: 96

約数和(自身を含む): 694452096

約数和(自身を除く): 433047366

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 163, 173, 206, 309, 326, 346, 489, 515, 519, 618, 815, 865, 927, 978, 1030, 1038, 1467, 1545, 1557, 1630, 1730, 1854, 2445, 2595, 2934, 3090, 3114, 4635, 4890, 5190, 7335, 7785, 9270, 14670, 15570, 16789, 17819, 28199, 33578, 35638, 50367, 53457, 56398, 83945, 84597, 89095, 100734, 106914, 140995, 151101, 160371, 167890, 169194, 178190, 251835, 253791, 267285, 281990, 302202, 320742, 422985, 503670, 507582, 534570, 755505, 801855, 845970, 1268955, 1511010, 1603710, 2537910, 2904497, 5808994, 8713491, 14522485, 17426982, 26140473, 29044970, 43567455, 52280946, 87134910, 130702365, 261404730]

約数ペア:

[(1, 261404730), (2, 130702365), (3, 87134910), (5, 52280946), (6, 43567455), (9, 29044970), (10, 26140473), (15, 17426982), (18, 14522485), (30, 8713491), (45, 5808994), (90, 2904497), (103, 2537910), (163, 1603710), (173, 1511010), (206, 1268955), (309, 845970), (326, 801855), (346, 755505), (489, 534570), (515, 507582), (519, 503670), (618, 422985), (815, 320742), (865, 302202), (927, 281990), (978, 267285), (1030, 253791), (1038, 251835), (1467, 178190), (1545, 169194), (1557, 167890), (1630, 160371), (1730, 151101), (1854, 140995), (2445, 106914), (2595, 100734), (2934, 89095), (3090, 84597), (3114, 83945), (4635, 56398), (4890, 53457), (5190, 50367), (7335, 35638), (7785, 33578), (9270, 28199), (14670, 17819), (15570, 16789)]