145138280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:799

約数の個数: 128

約数和(自身を含む): 402554880

約数和(自身を除く): 257416600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 713, 727, 805, 868, 920, 1085, 1240, 1288, 1426, 1454, 1610, 1736, 2170, 2852, 2908, 3220, 3565, 3635, 4340, 4991, 5089, 5704, 5816, 6440, 7130, 7270, 8680, 9982, 10178, 14260, 14540, 16721, 19964, 20356, 22537, 24955, 25445, 28520, 29080, 33442, 39928, 40712, 45074, 49910, 50890, 66884, 83605, 90148, 99820, 101780, 112685, 117047, 133768, 157759, 167210, 180296, 199640, 203560, 225370, 234094, 315518, 334420, 450740, 468188, 518351, 585235, 631036, 668840, 788795, 901480, 936376, 1036702, 1170470, 1262072, 1577590, 2073404, 2340940, 2591755, 3155180, 3628457, 4146808, 4681880, 5183510, 6310360, 7256914, 10367020, 14513828, 18142285, 20734040, 29027656, 36284570, 72569140, 145138280]

約数ペア:

[(1, 145138280), (2, 72569140), (4, 36284570), (5, 29027656), (7, 20734040), (8, 18142285), (10, 14513828), (14, 10367020), (20, 7256914), (23, 6310360), (28, 5183510), (31, 4681880), (35, 4146808), (40, 3628457), (46, 3155180), (56, 2591755), (62, 2340940), (70, 2073404), (92, 1577590), (115, 1262072), (124, 1170470), (140, 1036702), (155, 936376), (161, 901480), (184, 788795), (217, 668840), (230, 631036), (248, 585235), (280, 518351), (310, 468188), (322, 450740), (434, 334420), (460, 315518), (620, 234094), (644, 225370), (713, 203560), (727, 199640), (805, 180296), (868, 167210), (920, 157759), (1085, 133768), (1240, 117047), (1288, 112685), (1426, 101780), (1454, 99820), (1610, 90148), (1736, 83605), (2170, 66884), (2852, 50890), (2908, 49910), (3220, 45074), (3565, 40712), (3635, 39928), (4340, 33442), (4991, 29080), (5089, 28520), (5704, 25445), (5816, 24955), (6440, 22537), (7130, 20356), (7270, 19964), (8680, 16721), (9982, 14540), (10178, 14260)]