440427780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6971}}^1$

素因数の和:7008

約数の個数: 144

約数和(自身を含む): 1492231104

約数和(自身を除く): 1051803324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2106, 2340, 2430, 3159, 3510, 4212, 4860, 5265, 6318, 6971, 7020, 10530, 12636, 13942, 15795, 20913, 21060, 27884, 31590, 34855, 41826, 62739, 63180, 69710, 83652, 90623, 104565, 125478, 139420, 181246, 188217, 209130, 250956, 271869, 313695, 362492, 376434, 418260, 453115, 543738, 564651, 627390, 752868, 815607, 906230, 941085, 1087476, 1129302, 1254780, 1359345, 1631214, 1693953, 1812460, 1882170, 2258604, 2446821, 2718690, 2823255, 3262428, 3387906, 3764340, 4078035, 4893642, 5437380, 5646510, 6775812, 7340463, 8156070, 8469765, 9787284, 11293020, 12234105, 14680926, 16312140, 16939530, 22021389, 24468210, 29361852, 33879060, 36702315, 44042778, 48936420, 73404630, 88085556, 110106945, 146809260, 220213890, 440427780]

約数ペア:

[(1, 440427780), (2, 220213890), (3, 146809260), (4, 110106945), (5, 88085556), (6, 73404630), (9, 48936420), (10, 44042778), (12, 36702315), (13, 33879060), (15, 29361852), (18, 24468210), (20, 22021389), (26, 16939530), (27, 16312140), (30, 14680926), (36, 12234105), (39, 11293020), (45, 9787284), (52, 8469765), (54, 8156070), (60, 7340463), (65, 6775812), (78, 5646510), (81, 5437380), (90, 4893642), (108, 4078035), (117, 3764340), (130, 3387906), (135, 3262428), (156, 2823255), (162, 2718690), (180, 2446821), (195, 2258604), (234, 1882170), (243, 1812460), (260, 1693953), (270, 1631214), (324, 1359345), (351, 1254780), (390, 1129302), (405, 1087476), (468, 941085), (486, 906230), (540, 815607), (585, 752868), (702, 627390), (780, 564651), (810, 543738), (972, 453115), (1053, 418260), (1170, 376434), (1215, 362492), (1404, 313695), (1620, 271869), (1755, 250956), (2106, 209130), (2340, 188217), (2430, 181246), (3159, 139420), (3510, 125478), (4212, 104565), (4860, 90623), (5265, 83652), (6318, 69710), (6971, 63180), (7020, 62739), (10530, 41826), (12636, 34855), (13942, 31590), (15795, 27884), (20913, 21060)]