401009520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 160

約数和(自身を含む): 1291417344

約数和(自身を除く): 890407824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 83, 120, 123, 164, 166, 205, 240, 246, 249, 328, 332, 410, 415, 491, 492, 498, 615, 656, 664, 820, 830, 982, 984, 996, 1230, 1245, 1328, 1473, 1640, 1660, 1964, 1968, 1992, 2455, 2460, 2490, 2946, 3280, 3320, 3403, 3928, 3984, 4910, 4920, 4980, 5892, 6640, 6806, 7365, 7856, 9820, 9840, 9960, 10209, 11784, 13612, 14730, 17015, 19640, 19920, 20131, 20418, 23568, 27224, 29460, 34030, 39280, 40262, 40753, 40836, 51045, 54448, 58920, 60393, 68060, 80524, 81506, 81672, 100655, 102090, 117840, 120786, 122259, 136120, 161048, 163012, 163344, 201310, 203765, 204180, 241572, 244518, 272240, 301965, 322096, 326024, 402620, 407530, 408360, 483144, 489036, 603930, 611295, 652048, 805240, 815060, 816720, 966288, 978072, 1207860, 1222590, 1610480, 1630120, 1670873, 1956144, 2415720, 2445180, 3260240, 3341746, 4831440, 4890360, 5012619, 6683492, 8354365, 9780720, 10025238, 13366984, 16708730, 20050476, 25063095, 26733968, 33417460, 40100952, 50126190, 66834920, 80201904, 100252380, 133669840, 200504760, 401009520]

約数ペア:

[(1, 401009520), (2, 200504760), (3, 133669840), (4, 100252380), (5, 80201904), (6, 66834920), (8, 50126190), (10, 40100952), (12, 33417460), (15, 26733968), (16, 25063095), (20, 20050476), (24, 16708730), (30, 13366984), (40, 10025238), (41, 9780720), (48, 8354365), (60, 6683492), (80, 5012619), (82, 4890360), (83, 4831440), (120, 3341746), (123, 3260240), (164, 2445180), (166, 2415720), (205, 1956144), (240, 1670873), (246, 1630120), (249, 1610480), (328, 1222590), (332, 1207860), (410, 978072), (415, 966288), (491, 816720), (492, 815060), (498, 805240), (615, 652048), (656, 611295), (664, 603930), (820, 489036), (830, 483144), (982, 408360), (984, 407530), (996, 402620), (1230, 326024), (1245, 322096), (1328, 301965), (1473, 272240), (1640, 244518), (1660, 241572), (1964, 204180), (1968, 203765), (1992, 201310), (2455, 163344), (2460, 163012), (2490, 161048), (2946, 136120), (3280, 122259), (3320, 120786), (3403, 117840), (3928, 102090), (3984, 100655), (4910, 81672), (4920, 81506), (4980, 80524), (5892, 68060), (6640, 60393), (6806, 58920), (7365, 54448), (7856, 51045), (9820, 40836), (9840, 40753), (9960, 40262), (10209, 39280), (11784, 34030), (13612, 29460), (14730, 27224), (17015, 23568), (19640, 20418), (19920, 20131)]