128703204

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{1489}}^1$

素因数の和:1527

約数の個数: 90

約数和(自身を含む): 379787590

約数和(自身を除く): 251084386

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1489, 1764, 2058, 2401, 2978, 3087, 4116, 4467, 4802, 5956, 6174, 7203, 8934, 9604, 10423, 12348, 13401, 14406, 17868, 20846, 21609, 26802, 28812, 31269, 41692, 43218, 53604, 62538, 72961, 86436, 93807, 125076, 145922, 187614, 218883, 291844, 375228, 437766, 510727, 656649, 875532, 1021454, 1313298, 1532181, 2042908, 2626596, 3064362, 3575089, 4596543, 6128724, 7150178, 9193086, 10725267, 14300356, 18386172, 21450534, 32175801, 42901068, 64351602, 128703204]

約数ペア:

[(1, 128703204), (2, 64351602), (3, 42901068), (4, 32175801), (6, 21450534), (7, 18386172), (9, 14300356), (12, 10725267), (14, 9193086), (18, 7150178), (21, 6128724), (28, 4596543), (36, 3575089), (42, 3064362), (49, 2626596), (63, 2042908), (84, 1532181), (98, 1313298), (126, 1021454), (147, 875532), (196, 656649), (252, 510727), (294, 437766), (343, 375228), (441, 291844), (588, 218883), (686, 187614), (882, 145922), (1029, 125076), (1372, 93807), (1489, 86436), (1764, 72961), (2058, 62538), (2401, 53604), (2978, 43218), (3087, 41692), (4116, 31269), (4467, 28812), (4802, 26802), (5956, 21609), (6174, 20846), (7203, 17868), (8934, 14406), (9604, 13401), (10423, 12348)]