138180420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6451}}^1$

素因数の和:6490

約数の個数: 144

約数和(自身を含む): 507282048

約数和(自身を除く): 369101628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 6451, 7140, 10710, 12902, 19353, 21420, 25804, 32255, 38706, 45157, 58059, 64510, 77412, 90314, 96765, 109667, 116118, 129020, 135471, 180628, 193530, 219334, 225785, 232236, 270942, 290295, 329001, 387060, 406413, 438668, 451570, 541884, 548335, 580590, 658002, 677355, 767669, 812826, 903140, 987003, 1096670, 1161180, 1316004, 1354710, 1535338, 1625652, 1645005, 1974006, 2032065, 2193340, 2303007, 2709420, 3070676, 3290010, 3838345, 3948012, 4064130, 4606014, 4935015, 6580020, 6909021, 7676690, 8128260, 9212028, 9870030, 11515035, 13818042, 15353380, 19740060, 23030070, 27636084, 34545105, 46060140, 69090210, 138180420]

約数ペア:

[(1, 138180420), (2, 69090210), (3, 46060140), (4, 34545105), (5, 27636084), (6, 23030070), (7, 19740060), (9, 15353380), (10, 13818042), (12, 11515035), (14, 9870030), (15, 9212028), (17, 8128260), (18, 7676690), (20, 6909021), (21, 6580020), (28, 4935015), (30, 4606014), (34, 4064130), (35, 3948012), (36, 3838345), (42, 3290010), (45, 3070676), (51, 2709420), (60, 2303007), (63, 2193340), (68, 2032065), (70, 1974006), (84, 1645005), (85, 1625652), (90, 1535338), (102, 1354710), (105, 1316004), (119, 1161180), (126, 1096670), (140, 987003), (153, 903140), (170, 812826), (180, 767669), (204, 677355), (210, 658002), (238, 580590), (252, 548335), (255, 541884), (306, 451570), (315, 438668), (340, 406413), (357, 387060), (420, 329001), (476, 290295), (510, 270942), (595, 232236), (612, 225785), (630, 219334), (714, 193530), (765, 180628), (1020, 135471), (1071, 129020), (1190, 116118), (1260, 109667), (1428, 96765), (1530, 90314), (1785, 77412), (2142, 64510), (2380, 58059), (3060, 45157), (3570, 38706), (4284, 32255), (5355, 25804), (6451, 21420), (7140, 19353), (10710, 12902)]