161725620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{919}}^1$

素因数の和:1357

約数の個数: 96

約数和(自身を含む): 519321600

約数和(自身を除く): 357595980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 419, 420, 838, 919, 1257, 1676, 1838, 2095, 2514, 2757, 2933, 3676, 4190, 4595, 5028, 5514, 5866, 6285, 6433, 8380, 8799, 9190, 11028, 11732, 12570, 12866, 13785, 14665, 17598, 18380, 19299, 25140, 25732, 27570, 29330, 32165, 35196, 38598, 43995, 55140, 58660, 64330, 77196, 87990, 96495, 128660, 175980, 192990, 385061, 385980, 770122, 1155183, 1540244, 1925305, 2310366, 2695427, 3850610, 4620732, 5390854, 5775915, 7701220, 8086281, 10781708, 11551830, 13477135, 16172562, 23103660, 26954270, 32345124, 40431405, 53908540, 80862810, 161725620]

約数ペア:

[(1, 161725620), (2, 80862810), (3, 53908540), (4, 40431405), (5, 32345124), (6, 26954270), (7, 23103660), (10, 16172562), (12, 13477135), (14, 11551830), (15, 10781708), (20, 8086281), (21, 7701220), (28, 5775915), (30, 5390854), (35, 4620732), (42, 3850610), (60, 2695427), (70, 2310366), (84, 1925305), (105, 1540244), (140, 1155183), (210, 770122), (419, 385980), (420, 385061), (838, 192990), (919, 175980), (1257, 128660), (1676, 96495), (1838, 87990), (2095, 77196), (2514, 64330), (2757, 58660), (2933, 55140), (3676, 43995), (4190, 38598), (4595, 35196), (5028, 32165), (5514, 29330), (5866, 27570), (6285, 25732), (6433, 25140), (8380, 19299), (8799, 18380), (9190, 17598), (11028, 14665), (11732, 13785), (12570, 12866)]