281951640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41221}}^1$

素因数の和:41257

約数の個数: 96

約数和(自身を含む): 964594800

約数和(自身を除く): 682643160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 41221, 82442, 123663, 164884, 206105, 247326, 329768, 370989, 412210, 494652, 618315, 741978, 783199, 824420, 989304, 1236630, 1483956, 1566398, 1648840, 1854945, 2349597, 2473260, 2967912, 3132796, 3709890, 3915995, 4699194, 4946520, 6265592, 7048791, 7419780, 7831990, 9398388, 11747985, 14097582, 14839560, 15663980, 18796776, 23495970, 28195164, 31327960, 35243955, 46991940, 56390328, 70487910, 93983880, 140975820, 281951640]

約数ペア:

[(1, 281951640), (2, 140975820), (3, 93983880), (4, 70487910), (5, 56390328), (6, 46991940), (8, 35243955), (9, 31327960), (10, 28195164), (12, 23495970), (15, 18796776), (18, 15663980), (19, 14839560), (20, 14097582), (24, 11747985), (30, 9398388), (36, 7831990), (38, 7419780), (40, 7048791), (45, 6265592), (57, 4946520), (60, 4699194), (72, 3915995), (76, 3709890), (90, 3132796), (95, 2967912), (114, 2473260), (120, 2349597), (152, 1854945), (171, 1648840), (180, 1566398), (190, 1483956), (228, 1236630), (285, 989304), (342, 824420), (360, 783199), (380, 741978), (456, 618315), (570, 494652), (684, 412210), (760, 370989), (855, 329768), (1140, 247326), (1368, 206105), (1710, 164884), (2280, 123663), (3420, 82442), (6840, 41221)]