30890955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 54946080

約数和(自身を除く): 24055125

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 229, 255, 345, 391, 529, 687, 1145, 1173, 1587, 1955, 2645, 3435, 3893, 5267, 5865, 7935, 8993, 11679, 15801, 19465, 26335, 26979, 44965, 58395, 79005, 89539, 121141, 134895, 268617, 363423, 447695, 605705, 1343085, 1817115, 2059397, 6178191, 10296985, 30890955]

約数ペア:

[(1, 30890955), (3, 10296985), (5, 6178191), (15, 2059397), (17, 1817115), (23, 1343085), (51, 605705), (69, 447695), (85, 363423), (115, 268617), (229, 134895), (255, 121141), (345, 89539), (391, 79005), (529, 58395), (687, 44965), (1145, 26979), (1173, 26335), (1587, 19465), (1955, 15801), (2645, 11679), (3435, 8993), (3893, 7935), (5267, 5865)]