181495860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2557}}^1$

素因数の和:2602

約数の個数: 144

約数和(自身を含む): 629145216

約数和(自身を除く): 447649356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2557, 2730, 3380, 3549, 4732, 5070, 5114, 5460, 5915, 7098, 7671, 10140, 10228, 11830, 12785, 14196, 15342, 17745, 17899, 23660, 25570, 30684, 33241, 35490, 35798, 38355, 51140, 53697, 66482, 70980, 71596, 76710, 89495, 99723, 107394, 132964, 153420, 166205, 178990, 199446, 214788, 232687, 268485, 332410, 357980, 398892, 432133, 465374, 498615, 536970, 664820, 698061, 864266, 930748, 997230, 1073940, 1163435, 1296399, 1396122, 1728532, 1994460, 2160665, 2326870, 2592798, 2792244, 3024931, 3490305, 4321330, 4653740, 5185596, 6049862, 6481995, 6980610, 8642660, 9074793, 12099724, 12963990, 13961220, 15124655, 18149586, 25927980, 30249310, 36299172, 45373965, 60498620, 90747930, 181495860]

約数ペア:

[(1, 181495860), (2, 90747930), (3, 60498620), (4, 45373965), (5, 36299172), (6, 30249310), (7, 25927980), (10, 18149586), (12, 15124655), (13, 13961220), (14, 12963990), (15, 12099724), (20, 9074793), (21, 8642660), (26, 6980610), (28, 6481995), (30, 6049862), (35, 5185596), (39, 4653740), (42, 4321330), (52, 3490305), (60, 3024931), (65, 2792244), (70, 2592798), (78, 2326870), (84, 2160665), (91, 1994460), (105, 1728532), (130, 1396122), (140, 1296399), (156, 1163435), (169, 1073940), (182, 997230), (195, 930748), (210, 864266), (260, 698061), (273, 664820), (338, 536970), (364, 498615), (390, 465374), (420, 432133), (455, 398892), (507, 357980), (546, 332410), (676, 268485), (780, 232687), (845, 214788), (910, 199446), (1014, 178990), (1092, 166205), (1183, 153420), (1365, 132964), (1690, 107394), (1820, 99723), (2028, 89495), (2366, 76710), (2535, 71596), (2557, 70980), (2730, 66482), (3380, 53697), (3549, 51140), (4732, 38355), (5070, 35798), (5114, 35490), (5460, 33241), (5915, 30684), (7098, 25570), (7671, 23660), (10140, 17899), (10228, 17745), (11830, 15342), (12785, 14196)]