81543336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 242246400

約数和(自身を除く): 160703064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 73, 84, 109, 122, 146, 168, 183, 218, 219, 244, 292, 327, 366, 427, 436, 438, 488, 511, 584, 654, 732, 763, 854, 872, 876, 1022, 1281, 1308, 1464, 1526, 1533, 1708, 1752, 2044, 2289, 2562, 2616, 3052, 3066, 3416, 4088, 4453, 4578, 5124, 6104, 6132, 6649, 7957, 8906, 9156, 10248, 12264, 13298, 13359, 15914, 17812, 18312, 19947, 23871, 26596, 26718, 31171, 31828, 35624, 39894, 46543, 47742, 53192, 53436, 55699, 62342, 63656, 79788, 93086, 93513, 95484, 106872, 111398, 124684, 139629, 159576, 167097, 186172, 187026, 190968, 222796, 249368, 279258, 334194, 372344, 374052, 445592, 485377, 558516, 668388, 748104, 970754, 1117032, 1336776, 1456131, 1941508, 2912262, 3397639, 3883016, 5824524, 6795278, 10192917, 11649048, 13590556, 20385834, 27181112, 40771668, 81543336]

約数ペア:

[(1, 81543336), (2, 40771668), (3, 27181112), (4, 20385834), (6, 13590556), (7, 11649048), (8, 10192917), (12, 6795278), (14, 5824524), (21, 3883016), (24, 3397639), (28, 2912262), (42, 1941508), (56, 1456131), (61, 1336776), (73, 1117032), (84, 970754), (109, 748104), (122, 668388), (146, 558516), (168, 485377), (183, 445592), (218, 374052), (219, 372344), (244, 334194), (292, 279258), (327, 249368), (366, 222796), (427, 190968), (436, 187026), (438, 186172), (488, 167097), (511, 159576), (584, 139629), (654, 124684), (732, 111398), (763, 106872), (854, 95484), (872, 93513), (876, 93086), (1022, 79788), (1281, 63656), (1308, 62342), (1464, 55699), (1526, 53436), (1533, 53192), (1708, 47742), (1752, 46543), (2044, 39894), (2289, 35624), (2562, 31828), (2616, 31171), (3052, 26718), (3066, 26596), (3416, 23871), (4088, 19947), (4453, 18312), (4578, 17812), (5124, 15914), (6104, 13359), (6132, 13298), (6649, 12264), (7957, 10248), (8906, 9156)]