38880972

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 116861472

約数和(自身を除く): 77980500

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 81, 102, 108, 117, 153, 156, 162, 181, 204, 221, 234, 243, 306, 324, 351, 362, 442, 459, 468, 486, 543, 612, 663, 702, 724, 884, 918, 972, 1053, 1086, 1326, 1377, 1404, 1629, 1836, 1989, 2106, 2172, 2353, 2652, 2754, 3077, 3159, 3258, 3978, 4131, 4212, 4706, 4887, 5508, 5967, 6154, 6318, 6516, 7059, 7956, 8262, 9231, 9412, 9774, 11934, 12308, 12636, 14118, 14661, 16524, 17901, 18462, 19548, 21177, 23868, 27693, 28236, 29322, 35802, 36924, 40001, 42354, 43983, 53703, 55386, 58644, 63531, 71604, 80002, 83079, 84708, 87966, 107406, 110772, 120003, 127062, 160004, 166158, 175932, 190593, 214812, 240006, 249237, 254124, 332316, 360009, 381186, 480012, 498474, 571779, 720018, 747711, 762372, 996948, 1080027, 1143558, 1440036, 1495422, 2160054, 2287116, 2990844, 3240081, 4320108, 6480162, 9720243, 12960324, 19440486, 38880972]

約数ペア:

[(1, 38880972), (2, 19440486), (3, 12960324), (4, 9720243), (6, 6480162), (9, 4320108), (12, 3240081), (13, 2990844), (17, 2287116), (18, 2160054), (26, 1495422), (27, 1440036), (34, 1143558), (36, 1080027), (39, 996948), (51, 762372), (52, 747711), (54, 720018), (68, 571779), (78, 498474), (81, 480012), (102, 381186), (108, 360009), (117, 332316), (153, 254124), (156, 249237), (162, 240006), (181, 214812), (204, 190593), (221, 175932), (234, 166158), (243, 160004), (306, 127062), (324, 120003), (351, 110772), (362, 107406), (442, 87966), (459, 84708), (468, 83079), (486, 80002), (543, 71604), (612, 63531), (663, 58644), (702, 55386), (724, 53703), (884, 43983), (918, 42354), (972, 40001), (1053, 36924), (1086, 35802), (1326, 29322), (1377, 28236), (1404, 27693), (1629, 23868), (1836, 21177), (1989, 19548), (2106, 18462), (2172, 17901), (2353, 16524), (2652, 14661), (2754, 14118), (3077, 12636), (3159, 12308), (3258, 11934), (3978, 9774), (4131, 9412), (4212, 9231), (4706, 8262), (4887, 7956), (5508, 7059), (5967, 6516), (6154, 6318)]