1440036

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 4173624

約数和(自身を除く): 2733588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 181, 204, 221, 234, 306, 362, 442, 468, 543, 612, 663, 724, 884, 1086, 1326, 1629, 1989, 2172, 2353, 2652, 3077, 3258, 3978, 4706, 6154, 6516, 7059, 7956, 9231, 9412, 12308, 14118, 18462, 21177, 27693, 28236, 36924, 40001, 42354, 55386, 80002, 84708, 110772, 120003, 160004, 240006, 360009, 480012, 720018, 1440036]

約数ペア:

[(1, 1440036), (2, 720018), (3, 480012), (4, 360009), (6, 240006), (9, 160004), (12, 120003), (13, 110772), (17, 84708), (18, 80002), (26, 55386), (34, 42354), (36, 40001), (39, 36924), (51, 28236), (52, 27693), (68, 21177), (78, 18462), (102, 14118), (117, 12308), (153, 9412), (156, 9231), (181, 7956), (204, 7059), (221, 6516), (234, 6154), (306, 4706), (362, 3978), (442, 3258), (468, 3077), (543, 2652), (612, 2353), (663, 2172), (724, 1989), (884, 1629), (1086, 1326)]