271939980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{787}}^1$

素因数の和:1255

約数の個数: 96

約数和(自身を含む): 822898944

約数和(自身を除く): 550958964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 443, 780, 787, 886, 1329, 1574, 1772, 2215, 2361, 2658, 3148, 3935, 4430, 4722, 5316, 5759, 6645, 7870, 8860, 9444, 10231, 11518, 11805, 13290, 15740, 17277, 20462, 23036, 23610, 26580, 28795, 30693, 34554, 40924, 47220, 51155, 57590, 61386, 69108, 86385, 102310, 115180, 122772, 153465, 172770, 204620, 306930, 345540, 348641, 613860, 697282, 1045923, 1394564, 1743205, 2091846, 3486410, 4183692, 4532333, 5229615, 6972820, 9064666, 10459230, 13596999, 18129332, 20918460, 22661665, 27193998, 45323330, 54387996, 67984995, 90646660, 135969990, 271939980]

約数ペア:

[(1, 271939980), (2, 135969990), (3, 90646660), (4, 67984995), (5, 54387996), (6, 45323330), (10, 27193998), (12, 22661665), (13, 20918460), (15, 18129332), (20, 13596999), (26, 10459230), (30, 9064666), (39, 6972820), (52, 5229615), (60, 4532333), (65, 4183692), (78, 3486410), (130, 2091846), (156, 1743205), (195, 1394564), (260, 1045923), (390, 697282), (443, 613860), (780, 348641), (787, 345540), (886, 306930), (1329, 204620), (1574, 172770), (1772, 153465), (2215, 122772), (2361, 115180), (2658, 102310), (3148, 86385), (3935, 69108), (4430, 61386), (4722, 57590), (5316, 51155), (5759, 47220), (6645, 40924), (7870, 34554), (8860, 30693), (9444, 28795), (10231, 26580), (11518, 23610), (11805, 23036), (13290, 20462), (15740, 17277)]