81907830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39569}}^1$

素因数の和:39605

約数の個数: 48

約数和(自身を含む): 222225120

約数和(自身を除く): 140317290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 39569, 79138, 118707, 197845, 237414, 356121, 395690, 593535, 712242, 910087, 1187070, 1780605, 1820174, 2730261, 3561210, 4550435, 5460522, 8190783, 9100870, 13651305, 16381566, 27302610, 40953915, 81907830]

約数ペア:

[(1, 81907830), (2, 40953915), (3, 27302610), (5, 16381566), (6, 13651305), (9, 9100870), (10, 8190783), (15, 5460522), (18, 4550435), (23, 3561210), (30, 2730261), (45, 1820174), (46, 1780605), (69, 1187070), (90, 910087), (115, 712242), (138, 593535), (207, 395690), (230, 356121), (345, 237414), (414, 197845), (690, 118707), (1035, 79138), (2070, 39569)]