81598920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2753}}^1$

素因数の和:2799

約数の個数: 128

約数和(自身を含む): 277603200

約数和(自身を除く): 196004280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2753, 2964, 3705, 4940, 5506, 5928, 7410, 8259, 9880, 11012, 13765, 14820, 16518, 22024, 27530, 29640, 33036, 35789, 41295, 52307, 55060, 66072, 71578, 82590, 104614, 107367, 110120, 143156, 156921, 165180, 178945, 209228, 214734, 261535, 286312, 313842, 330360, 357890, 418456, 429468, 523070, 536835, 627684, 679991, 715780, 784605, 858936, 1046140, 1073670, 1255368, 1359982, 1431560, 1569210, 2039973, 2092280, 2147340, 2719964, 3138420, 3399955, 4079946, 4294680, 5439928, 6276840, 6799910, 8159892, 10199865, 13599820, 16319784, 20399730, 27199640, 40799460, 81598920]

約数ペア:

[(1, 81598920), (2, 40799460), (3, 27199640), (4, 20399730), (5, 16319784), (6, 13599820), (8, 10199865), (10, 8159892), (12, 6799910), (13, 6276840), (15, 5439928), (19, 4294680), (20, 4079946), (24, 3399955), (26, 3138420), (30, 2719964), (38, 2147340), (39, 2092280), (40, 2039973), (52, 1569210), (57, 1431560), (60, 1359982), (65, 1255368), (76, 1073670), (78, 1046140), (95, 858936), (104, 784605), (114, 715780), (120, 679991), (130, 627684), (152, 536835), (156, 523070), (190, 429468), (195, 418456), (228, 357890), (247, 330360), (260, 313842), (285, 286312), (312, 261535), (380, 214734), (390, 209228), (456, 178945), (494, 165180), (520, 156921), (570, 143156), (741, 110120), (760, 107367), (780, 104614), (988, 82590), (1140, 71578), (1235, 66072), (1482, 55060), (1560, 52307), (1976, 41295), (2280, 35789), (2470, 33036), (2753, 29640), (2964, 27530), (3705, 22024), (4940, 16518), (5506, 14820), (5928, 13765), (7410, 11012), (8259, 9880)]