67419280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 168136560

約数和(自身を除く): 100717280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 557, 680, 712, 890, 1114, 1360, 1424, 1513, 1780, 2228, 2785, 3026, 3560, 4456, 5570, 6052, 7120, 7565, 8912, 9469, 11140, 12104, 15130, 18938, 22280, 24208, 30260, 37876, 44560, 47345, 49573, 60520, 75752, 94690, 99146, 121040, 151504, 189380, 198292, 247865, 378760, 396584, 495730, 757520, 793168, 842741, 991460, 1685482, 1982920, 3370964, 3965840, 4213705, 6741928, 8427410, 13483856, 16854820, 33709640, 67419280]

約数ペア:

[(1, 67419280), (2, 33709640), (4, 16854820), (5, 13483856), (8, 8427410), (10, 6741928), (16, 4213705), (17, 3965840), (20, 3370964), (34, 1982920), (40, 1685482), (68, 991460), (80, 842741), (85, 793168), (89, 757520), (136, 495730), (170, 396584), (178, 378760), (272, 247865), (340, 198292), (356, 189380), (445, 151504), (557, 121040), (680, 99146), (712, 94690), (890, 75752), (1114, 60520), (1360, 49573), (1424, 47345), (1513, 44560), (1780, 37876), (2228, 30260), (2785, 24208), (3026, 22280), (3560, 18938), (4456, 15130), (5570, 12104), (6052, 11140), (7120, 9469), (7565, 8912)]