1931540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 96

約数和(自身を含む): 5080320

約数和(自身を除く): 3148780

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 23, 26, 34, 38, 46, 52, 65, 68, 76, 85, 92, 95, 115, 130, 170, 190, 221, 230, 247, 260, 299, 323, 340, 380, 391, 437, 442, 460, 494, 598, 646, 782, 874, 884, 988, 1105, 1196, 1235, 1292, 1495, 1564, 1615, 1748, 1955, 2185, 2210, 2470, 2990, 3230, 3910, 4199, 4370, 4420, 4940, 5083, 5681, 5980, 6460, 7429, 7820, 8398, 8740, 10166, 11362, 14858, 16796, 20332, 20995, 22724, 25415, 28405, 29716, 37145, 41990, 50830, 56810, 74290, 83980, 96577, 101660, 113620, 148580, 193154, 386308, 482885, 965770, 1931540]

約数ペア:

[(1, 1931540), (2, 965770), (4, 482885), (5, 386308), (10, 193154), (13, 148580), (17, 113620), (19, 101660), (20, 96577), (23, 83980), (26, 74290), (34, 56810), (38, 50830), (46, 41990), (52, 37145), (65, 29716), (68, 28405), (76, 25415), (85, 22724), (92, 20995), (95, 20332), (115, 16796), (130, 14858), (170, 11362), (190, 10166), (221, 8740), (230, 8398), (247, 7820), (260, 7429), (299, 6460), (323, 5980), (340, 5681), (380, 5083), (391, 4940), (437, 4420), (442, 4370), (460, 4199), (494, 3910), (598, 3230), (646, 2990), (782, 2470), (874, 2210), (884, 2185), (988, 1955), (1105, 1748), (1196, 1615), (1235, 1564), (1292, 1495)]