30861740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 82489344

約数和(自身を除く): 51627604

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 547, 620, 806, 868, 910, 1085, 1094, 1612, 1820, 2015, 2170, 2188, 2735, 2821, 3829, 4030, 4340, 5470, 5642, 7111, 7658, 8060, 10940, 11284, 14105, 14222, 15316, 16957, 19145, 28210, 28444, 33914, 35555, 38290, 49777, 56420, 67828, 71110, 76580, 84785, 99554, 118699, 142220, 169570, 199108, 220441, 237398, 248885, 339140, 440882, 474796, 497770, 593495, 881764, 995540, 1102205, 1186990, 1543087, 2204410, 2373980, 3086174, 4408820, 6172348, 7715435, 15430870, 30861740]

約数ペア:

[(1, 30861740), (2, 15430870), (4, 7715435), (5, 6172348), (7, 4408820), (10, 3086174), (13, 2373980), (14, 2204410), (20, 1543087), (26, 1186990), (28, 1102205), (31, 995540), (35, 881764), (52, 593495), (62, 497770), (65, 474796), (70, 440882), (91, 339140), (124, 248885), (130, 237398), (140, 220441), (155, 199108), (182, 169570), (217, 142220), (260, 118699), (310, 99554), (364, 84785), (403, 76580), (434, 71110), (455, 67828), (547, 56420), (620, 49777), (806, 38290), (868, 35555), (910, 33914), (1085, 28444), (1094, 28210), (1612, 19145), (1820, 16957), (2015, 15316), (2170, 14222), (2188, 14105), (2735, 11284), (2821, 10940), (3829, 8060), (4030, 7658), (4340, 7111), (5470, 5642)]