18220102380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{393863}}^1$

素因数の和:394135

約数の個数: 72

約数和(自身を含む): 55482833952

約数和(自身を除く): 37262731572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4626, 5140, 7710, 9252, 11565, 15420, 23130, 46260, 393863, 787726, 1181589, 1575452, 1969315, 2363178, 3544767, 3938630, 4726356, 5907945, 7089534, 7877260, 11815890, 14179068, 17723835, 23631780, 35447670, 70895340, 101222791, 202445582, 303668373, 404891164, 506113955, 607336746, 911005119, 1012227910, 1214673492, 1518341865, 1822010238, 2024455820, 3036683730, 3644020476, 4555025595, 6073367460, 9110051190, 18220102380]

約数ペア:

[(1, 18220102380), (2, 9110051190), (3, 6073367460), (4, 4555025595), (5, 3644020476), (6, 3036683730), (9, 2024455820), (10, 1822010238), (12, 1518341865), (15, 1214673492), (18, 1012227910), (20, 911005119), (30, 607336746), (36, 506113955), (45, 404891164), (60, 303668373), (90, 202445582), (180, 101222791), (257, 70895340), (514, 35447670), (771, 23631780), (1028, 17723835), (1285, 14179068), (1542, 11815890), (2313, 7877260), (2570, 7089534), (3084, 5907945), (3855, 4726356), (4626, 3938630), (5140, 3544767), (7710, 2363178), (9252, 1969315), (11565, 1575452), (15420, 1181589), (23130, 787726), (46260, 393863)]