90012780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1$

素因数の和:321

約数の個数: 216

約数和(自身を含む): 323734320

約数和(自身を除く): 233721540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 169, 180, 195, 198, 220, 234, 260, 269, 286, 330, 338, 390, 396, 429, 468, 495, 507, 538, 572, 585, 660, 676, 715, 780, 807, 845, 858, 990, 1014, 1076, 1170, 1287, 1345, 1430, 1521, 1614, 1690, 1716, 1859, 1980, 2028, 2145, 2340, 2421, 2535, 2574, 2690, 2860, 2959, 3042, 3228, 3380, 3497, 3718, 4035, 4290, 4842, 5070, 5148, 5380, 5577, 5918, 6084, 6435, 6994, 7436, 7605, 8070, 8580, 8877, 9295, 9684, 10140, 10491, 11154, 11836, 12105, 12870, 13988, 14795, 15210, 16140, 16731, 17485, 17754, 18590, 20982, 22308, 24210, 25740, 26631, 27885, 29590, 30420, 31473, 33462, 34970, 35508, 37180, 38467, 41964, 44385, 45461, 48420, 52455, 53262, 55770, 59180, 62946, 66924, 69940, 76934, 83655, 88770, 90922, 104910, 106524, 111540, 115401, 125892, 133155, 136383, 153868, 157365, 167310, 177540, 181844, 192335, 209820, 227305, 230802, 266310, 272766, 314730, 334620, 346203, 384670, 409149, 454610, 461604, 500071, 532620, 545532, 577005, 629460, 681915, 692406, 769340, 818298, 909220, 1000142, 1154010, 1363830, 1384812, 1500213, 1636596, 1731015, 2000284, 2045745, 2308020, 2500355, 2727660, 3000426, 3462030, 4091490, 4500639, 5000710, 6000852, 6924060, 7501065, 8182980, 9001278, 10001420, 15002130, 18002556, 22503195, 30004260, 45006390, 90012780]

約数ペア:

[(1, 90012780), (2, 45006390), (3, 30004260), (4, 22503195), (5, 18002556), (6, 15002130), (9, 10001420), (10, 9001278), (11, 8182980), (12, 7501065), (13, 6924060), (15, 6000852), (18, 5000710), (20, 4500639), (22, 4091490), (26, 3462030), (30, 3000426), (33, 2727660), (36, 2500355), (39, 2308020), (44, 2045745), (45, 2000284), (52, 1731015), (55, 1636596), (60, 1500213), (65, 1384812), (66, 1363830), (78, 1154010), (90, 1000142), (99, 909220), (110, 818298), (117, 769340), (130, 692406), (132, 681915), (143, 629460), (156, 577005), (165, 545532), (169, 532620), (180, 500071), (195, 461604), (198, 454610), (220, 409149), (234, 384670), (260, 346203), (269, 334620), (286, 314730), (330, 272766), (338, 266310), (390, 230802), (396, 227305), (429, 209820), (468, 192335), (495, 181844), (507, 177540), (538, 167310), (572, 157365), (585, 153868), (660, 136383), (676, 133155), (715, 125892), (780, 115401), (807, 111540), (845, 106524), (858, 104910), (990, 90922), (1014, 88770), (1076, 83655), (1170, 76934), (1287, 69940), (1345, 66924), (1430, 62946), (1521, 59180), (1614, 55770), (1690, 53262), (1716, 52455), (1859, 48420), (1980, 45461), (2028, 44385), (2145, 41964), (2340, 38467), (2421, 37180), (2535, 35508), (2574, 34970), (2690, 33462), (2860, 31473), (2959, 30420), (3042, 29590), (3228, 27885), (3380, 26631), (3497, 25740), (3718, 24210), (4035, 22308), (4290, 20982), (4842, 18590), (5070, 17754), (5148, 17485), (5380, 16731), (5577, 16140), (5918, 15210), (6084, 14795), (6435, 13988), (6994, 12870), (7436, 12105), (7605, 11836), (8070, 11154), (8580, 10491), (8877, 10140), (9295, 9684)]