72712728

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{101}}^2$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 224399340

約数和(自身を除く): 151686612

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 101, 108, 132, 162, 198, 202, 216, 264, 297, 303, 324, 396, 404, 594, 606, 648, 792, 808, 891, 909, 1111, 1188, 1212, 1782, 1818, 2222, 2376, 2424, 2727, 3333, 3564, 3636, 4444, 5454, 6666, 7128, 7272, 8181, 8888, 9999, 10201, 10908, 13332, 16362, 19998, 20402, 21816, 26664, 29997, 30603, 32724, 39996, 40804, 59994, 61206, 65448, 79992, 81608, 89991, 91809, 112211, 119988, 122412, 179982, 183618, 224422, 239976, 244824, 275427, 336633, 359964, 367236, 448844, 550854, 673266, 719928, 734472, 826281, 897688, 1009899, 1101708, 1346532, 1652562, 2019798, 2203416, 2693064, 3029697, 3305124, 4039596, 6059394, 6610248, 8079192, 9089091, 12118788, 18178182, 24237576, 36356364, 72712728]

約数ペア:

[(1, 72712728), (2, 36356364), (3, 24237576), (4, 18178182), (6, 12118788), (8, 9089091), (9, 8079192), (11, 6610248), (12, 6059394), (18, 4039596), (22, 3305124), (24, 3029697), (27, 2693064), (33, 2203416), (36, 2019798), (44, 1652562), (54, 1346532), (66, 1101708), (72, 1009899), (81, 897688), (88, 826281), (99, 734472), (101, 719928), (108, 673266), (132, 550854), (162, 448844), (198, 367236), (202, 359964), (216, 336633), (264, 275427), (297, 244824), (303, 239976), (324, 224422), (396, 183618), (404, 179982), (594, 122412), (606, 119988), (648, 112211), (792, 91809), (808, 89991), (891, 81608), (909, 79992), (1111, 65448), (1188, 61206), (1212, 59994), (1782, 40804), (1818, 39996), (2222, 32724), (2376, 30603), (2424, 29997), (2727, 26664), (3333, 21816), (3564, 20402), (3636, 19998), (4444, 16362), (5454, 13332), (6666, 10908), (7128, 10201), (7272, 9999), (8181, 8888)]