161495820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47221}}^1$

素因数の和:47255

約数の個数: 72

約数和(自身を含む): 515664240

約数和(自身を除く): 354168420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 47221, 94442, 141663, 188884, 236105, 283326, 424989, 472210, 566652, 708315, 849978, 897199, 944420, 1416630, 1699956, 1794398, 2124945, 2691597, 2833260, 3588796, 4249890, 4485995, 5383194, 8074791, 8499780, 8971990, 10766388, 13457985, 16149582, 17943980, 26915970, 32299164, 40373955, 53831940, 80747910, 161495820]

約数ペア:

[(1, 161495820), (2, 80747910), (3, 53831940), (4, 40373955), (5, 32299164), (6, 26915970), (9, 17943980), (10, 16149582), (12, 13457985), (15, 10766388), (18, 8971990), (19, 8499780), (20, 8074791), (30, 5383194), (36, 4485995), (38, 4249890), (45, 3588796), (57, 2833260), (60, 2691597), (76, 2124945), (90, 1794398), (95, 1699956), (114, 1416630), (171, 944420), (180, 897199), (190, 849978), (228, 708315), (285, 566652), (342, 472210), (380, 424989), (570, 283326), (684, 236105), (855, 188884), (1140, 141663), (1710, 94442), (3420, 47221)]