30921930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 92495520

約数和(自身を除く): 61573590

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 107, 114, 117, 130, 169, 171, 190, 195, 214, 234, 247, 285, 321, 338, 342, 390, 494, 507, 535, 570, 585, 642, 741, 845, 855, 963, 1014, 1070, 1170, 1235, 1391, 1482, 1521, 1605, 1690, 1710, 1926, 2033, 2223, 2470, 2535, 2782, 3042, 3210, 3211, 3705, 4066, 4173, 4446, 4815, 5070, 6099, 6422, 6955, 7410, 7605, 8346, 9630, 9633, 10165, 11115, 12198, 12519, 13910, 15210, 16055, 18083, 18297, 19266, 20330, 20865, 22230, 25038, 26429, 28899, 30495, 32110, 36166, 36594, 41730, 48165, 52858, 54249, 57798, 60990, 62595, 79287, 90415, 91485, 96330, 108498, 125190, 132145, 144495, 158574, 162747, 180830, 182970, 237861, 264290, 271245, 288990, 325494, 343577, 396435, 475722, 542490, 687154, 792870, 813735, 1030731, 1189305, 1627470, 1717885, 2061462, 2378610, 3092193, 3435770, 5153655, 6184386, 10307310, 15460965, 30921930]

約数ペア:

[(1, 30921930), (2, 15460965), (3, 10307310), (5, 6184386), (6, 5153655), (9, 3435770), (10, 3092193), (13, 2378610), (15, 2061462), (18, 1717885), (19, 1627470), (26, 1189305), (30, 1030731), (38, 813735), (39, 792870), (45, 687154), (57, 542490), (65, 475722), (78, 396435), (90, 343577), (95, 325494), (107, 288990), (114, 271245), (117, 264290), (130, 237861), (169, 182970), (171, 180830), (190, 162747), (195, 158574), (214, 144495), (234, 132145), (247, 125190), (285, 108498), (321, 96330), (338, 91485), (342, 90415), (390, 79287), (494, 62595), (507, 60990), (535, 57798), (570, 54249), (585, 52858), (642, 48165), (741, 41730), (845, 36594), (855, 36166), (963, 32110), (1014, 30495), (1070, 28899), (1170, 26429), (1235, 25038), (1391, 22230), (1482, 20865), (1521, 20330), (1605, 19266), (1690, 18297), (1710, 18083), (1926, 16055), (2033, 15210), (2223, 13910), (2470, 12519), (2535, 12198), (2782, 11115), (3042, 10165), (3210, 9633), (3211, 9630), (3705, 8346), (4066, 7605), (4173, 7410), (4446, 6955), (4815, 6422), (5070, 6099)]