42821220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 134289792

約数和(自身を除く): 91468572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 103, 123, 130, 156, 164, 169, 195, 205, 206, 246, 260, 309, 338, 390, 410, 412, 492, 507, 515, 533, 615, 618, 676, 780, 820, 845, 1014, 1030, 1066, 1230, 1236, 1339, 1545, 1599, 1690, 2028, 2060, 2132, 2460, 2535, 2665, 2678, 3090, 3198, 3380, 4017, 4223, 5070, 5330, 5356, 6180, 6396, 6695, 6929, 7995, 8034, 8446, 10140, 10660, 12669, 13390, 13858, 15990, 16068, 16892, 17407, 20085, 20787, 21115, 25338, 26780, 27716, 31980, 34645, 34814, 40170, 41574, 42230, 50676, 52221, 54899, 63345, 69290, 69628, 80340, 83148, 84460, 87035, 103935, 104442, 109798, 126690, 138580, 164697, 174070, 207870, 208884, 219596, 253380, 261105, 274495, 329394, 348140, 415740, 522210, 548990, 658788, 713687, 823485, 1044420, 1097980, 1427374, 1646970, 2141061, 2854748, 3293940, 3568435, 4282122, 7136870, 8564244, 10705305, 14273740, 21410610, 42821220]

約数ペア:

[(1, 42821220), (2, 21410610), (3, 14273740), (4, 10705305), (5, 8564244), (6, 7136870), (10, 4282122), (12, 3568435), (13, 3293940), (15, 2854748), (20, 2141061), (26, 1646970), (30, 1427374), (39, 1097980), (41, 1044420), (52, 823485), (60, 713687), (65, 658788), (78, 548990), (82, 522210), (103, 415740), (123, 348140), (130, 329394), (156, 274495), (164, 261105), (169, 253380), (195, 219596), (205, 208884), (206, 207870), (246, 174070), (260, 164697), (309, 138580), (338, 126690), (390, 109798), (410, 104442), (412, 103935), (492, 87035), (507, 84460), (515, 83148), (533, 80340), (615, 69628), (618, 69290), (676, 63345), (780, 54899), (820, 52221), (845, 50676), (1014, 42230), (1030, 41574), (1066, 40170), (1230, 34814), (1236, 34645), (1339, 31980), (1545, 27716), (1599, 26780), (1690, 25338), (2028, 21115), (2060, 20787), (2132, 20085), (2460, 17407), (2535, 16892), (2665, 16068), (2678, 15990), (3090, 13858), (3198, 13390), (3380, 12669), (4017, 10660), (4223, 10140), (5070, 8446), (5330, 8034), (5356, 7995), (6180, 6929), (6396, 6695)]