2018478540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{1453}}^1$

素因数の和:1628

約数の個数: 144

約数和(自身を含む): 6168845088

約数和(自身を除く): 4150366548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 169, 195, 260, 274, 338, 390, 411, 507, 548, 676, 685, 780, 822, 845, 1014, 1370, 1453, 1644, 1690, 1781, 2028, 2055, 2535, 2740, 2906, 3380, 3562, 4110, 4359, 5070, 5343, 5812, 7124, 7265, 8220, 8718, 8905, 10140, 10686, 14530, 17436, 17810, 18889, 21372, 21795, 23153, 26715, 29060, 35620, 37778, 43590, 46306, 53430, 56667, 69459, 75556, 87180, 92612, 94445, 106860, 113334, 115765, 138918, 188890, 199061, 226668, 231530, 245557, 277836, 283335, 347295, 377780, 398122, 463060, 491114, 566670, 597183, 694590, 736671, 796244, 982228, 995305, 1133340, 1194366, 1227785, 1389180, 1473342, 1990610, 2388732, 2455570, 2587793, 2946684, 2985915, 3683355, 3981220, 4911140, 5175586, 5971830, 7366710, 7763379, 10351172, 11943660, 12938965, 14733420, 15526758, 25877930, 31053516, 33641309, 38816895, 51755860, 67282618, 77633790, 100923927, 134565236, 155267580, 168206545, 201847854, 336413090, 403695708, 504619635, 672826180, 1009239270, 2018478540]

約数ペア:

[(1, 2018478540), (2, 1009239270), (3, 672826180), (4, 504619635), (5, 403695708), (6, 336413090), (10, 201847854), (12, 168206545), (13, 155267580), (15, 134565236), (20, 100923927), (26, 77633790), (30, 67282618), (39, 51755860), (52, 38816895), (60, 33641309), (65, 31053516), (78, 25877930), (130, 15526758), (137, 14733420), (156, 12938965), (169, 11943660), (195, 10351172), (260, 7763379), (274, 7366710), (338, 5971830), (390, 5175586), (411, 4911140), (507, 3981220), (548, 3683355), (676, 2985915), (685, 2946684), (780, 2587793), (822, 2455570), (845, 2388732), (1014, 1990610), (1370, 1473342), (1453, 1389180), (1644, 1227785), (1690, 1194366), (1781, 1133340), (2028, 995305), (2055, 982228), (2535, 796244), (2740, 736671), (2906, 694590), (3380, 597183), (3562, 566670), (4110, 491114), (4359, 463060), (5070, 398122), (5343, 377780), (5812, 347295), (7124, 283335), (7265, 277836), (8220, 245557), (8718, 231530), (8905, 226668), (10140, 199061), (10686, 188890), (14530, 138918), (17436, 115765), (17810, 113334), (18889, 106860), (21372, 94445), (21795, 92612), (23153, 87180), (26715, 75556), (29060, 69459), (35620, 56667), (37778, 53430), (43590, 46306)]