253999920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 818947584

約数和(自身を除く): 564947664

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, 311, 328, 332, 410, 415, 492, 498, 615, 622, 656, 664, 820, 830, 933, 984, 996, 1230, 1244, 1245, 1328, 1555, 1640, 1660, 1866, 1968, 1992, 2460, 2488, 2490, 3110, 3280, 3320, 3403, 3732, 3984, 4665, 4920, 4976, 4980, 6220, 6640, 6806, 7464, 9330, 9840, 9960, 10209, 12440, 12751, 13612, 14928, 17015, 18660, 19920, 20418, 24880, 25502, 25813, 27224, 34030, 37320, 38253, 40836, 51004, 51045, 51626, 54448, 63755, 68060, 74640, 76506, 77439, 81672, 102008, 102090, 103252, 127510, 129065, 136120, 153012, 154878, 163344, 191265, 204016, 204180, 206504, 255020, 258130, 272240, 306024, 309756, 382530, 387195, 408360, 413008, 510040, 516260, 612048, 619512, 765060, 774390, 816720, 1020080, 1032520, 1058333, 1239024, 1530120, 1548780, 2065040, 2116666, 3060240, 3097560, 3174999, 4233332, 5291665, 6195120, 6349998, 8466664, 10583330, 12699996, 15874995, 16933328, 21166660, 25399992, 31749990, 42333320, 50799984, 63499980, 84666640, 126999960, 253999920]

約数ペア:

[(1, 253999920), (2, 126999960), (3, 84666640), (4, 63499980), (5, 50799984), (6, 42333320), (8, 31749990), (10, 25399992), (12, 21166660), (15, 16933328), (16, 15874995), (20, 12699996), (24, 10583330), (30, 8466664), (40, 6349998), (41, 6195120), (48, 5291665), (60, 4233332), (80, 3174999), (82, 3097560), (83, 3060240), (120, 2116666), (123, 2065040), (164, 1548780), (166, 1530120), (205, 1239024), (240, 1058333), (246, 1032520), (249, 1020080), (311, 816720), (328, 774390), (332, 765060), (410, 619512), (415, 612048), (492, 516260), (498, 510040), (615, 413008), (622, 408360), (656, 387195), (664, 382530), (820, 309756), (830, 306024), (933, 272240), (984, 258130), (996, 255020), (1230, 206504), (1244, 204180), (1245, 204016), (1328, 191265), (1555, 163344), (1640, 154878), (1660, 153012), (1866, 136120), (1968, 129065), (1992, 127510), (2460, 103252), (2488, 102090), (2490, 102008), (3110, 81672), (3280, 77439), (3320, 76506), (3403, 74640), (3732, 68060), (3984, 63755), (4665, 54448), (4920, 51626), (4976, 51045), (4980, 51004), (6220, 40836), (6640, 38253), (6806, 37320), (7464, 34030), (9330, 27224), (9840, 25813), (9960, 25502), (10209, 24880), (12440, 20418), (12751, 19920), (13612, 18660), (14928, 17015)]