51947220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 162328320

約数和(自身を除く): 110381100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 109, 130, 141, 156, 169, 188, 195, 218, 235, 260, 282, 327, 338, 390, 436, 470, 507, 545, 564, 611, 654, 676, 705, 780, 845, 940, 1014, 1090, 1222, 1308, 1410, 1417, 1635, 1690, 1833, 2028, 2180, 2444, 2535, 2820, 2834, 3055, 3270, 3380, 3666, 4251, 5070, 5123, 5668, 6110, 6540, 7085, 7332, 7943, 8502, 9165, 10140, 10246, 12220, 14170, 15369, 15886, 17004, 18330, 18421, 20492, 21255, 23829, 25615, 28340, 30738, 31772, 36660, 36842, 39715, 42510, 47658, 51230, 55263, 61476, 66599, 73684, 76845, 79430, 85020, 92105, 95316, 102460, 110526, 119145, 133198, 153690, 158860, 184210, 199797, 221052, 238290, 266396, 276315, 307380, 332995, 368420, 399594, 476580, 552630, 665990, 799188, 865787, 998985, 1105260, 1331980, 1731574, 1997970, 2597361, 3463148, 3995940, 4328935, 5194722, 8657870, 10389444, 12986805, 17315740, 25973610, 51947220]

約数ペア:

[(1, 51947220), (2, 25973610), (3, 17315740), (4, 12986805), (5, 10389444), (6, 8657870), (10, 5194722), (12, 4328935), (13, 3995940), (15, 3463148), (20, 2597361), (26, 1997970), (30, 1731574), (39, 1331980), (47, 1105260), (52, 998985), (60, 865787), (65, 799188), (78, 665990), (94, 552630), (109, 476580), (130, 399594), (141, 368420), (156, 332995), (169, 307380), (188, 276315), (195, 266396), (218, 238290), (235, 221052), (260, 199797), (282, 184210), (327, 158860), (338, 153690), (390, 133198), (436, 119145), (470, 110526), (507, 102460), (545, 95316), (564, 92105), (611, 85020), (654, 79430), (676, 76845), (705, 73684), (780, 66599), (845, 61476), (940, 55263), (1014, 51230), (1090, 47658), (1222, 42510), (1308, 39715), (1410, 36842), (1417, 36660), (1635, 31772), (1690, 30738), (1833, 28340), (2028, 25615), (2180, 23829), (2444, 21255), (2535, 20492), (2820, 18421), (2834, 18330), (3055, 17004), (3270, 15886), (3380, 15369), (3666, 14170), (4251, 12220), (5070, 10246), (5123, 10140), (5668, 9165), (6110, 8502), (6540, 7943), (7085, 7332)]