30813860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 86873472

約数和(自身を除く): 56059612

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 107, 110, 119, 121, 140, 154, 170, 187, 214, 220, 238, 242, 308, 340, 374, 385, 428, 476, 484, 535, 595, 605, 748, 749, 770, 847, 935, 1070, 1177, 1190, 1210, 1309, 1498, 1540, 1694, 1819, 1870, 2057, 2140, 2354, 2380, 2420, 2618, 2996, 3388, 3638, 3740, 3745, 4114, 4235, 4708, 5236, 5885, 6545, 7276, 7490, 8228, 8239, 8470, 9095, 10285, 11770, 12733, 12947, 13090, 14399, 14980, 16478, 16940, 18190, 20009, 20570, 23540, 25466, 25894, 26180, 28798, 32956, 36380, 40018, 41140, 41195, 50932, 51788, 57596, 63665, 64735, 71995, 80036, 82390, 90629, 100045, 127330, 129470, 140063, 143990, 164780, 181258, 200090, 220099, 254660, 258940, 280126, 287980, 362516, 400180, 440198, 453145, 560252, 700315, 880396, 906290, 1100495, 1400630, 1540693, 1812580, 2200990, 2801260, 3081386, 4401980, 6162772, 7703465, 15406930, 30813860]

約数ペア:

[(1, 30813860), (2, 15406930), (4, 7703465), (5, 6162772), (7, 4401980), (10, 3081386), (11, 2801260), (14, 2200990), (17, 1812580), (20, 1540693), (22, 1400630), (28, 1100495), (34, 906290), (35, 880396), (44, 700315), (55, 560252), (68, 453145), (70, 440198), (77, 400180), (85, 362516), (107, 287980), (110, 280126), (119, 258940), (121, 254660), (140, 220099), (154, 200090), (170, 181258), (187, 164780), (214, 143990), (220, 140063), (238, 129470), (242, 127330), (308, 100045), (340, 90629), (374, 82390), (385, 80036), (428, 71995), (476, 64735), (484, 63665), (535, 57596), (595, 51788), (605, 50932), (748, 41195), (749, 41140), (770, 40018), (847, 36380), (935, 32956), (1070, 28798), (1177, 26180), (1190, 25894), (1210, 25466), (1309, 23540), (1498, 20570), (1540, 20009), (1694, 18190), (1819, 16940), (1870, 16478), (2057, 14980), (2140, 14399), (2354, 13090), (2380, 12947), (2420, 12733), (2618, 11770), (2996, 10285), (3388, 9095), (3638, 8470), (3740, 8239), (3745, 8228), (4114, 7490), (4235, 7276), (4708, 6545), (5236, 5885)]