71242740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 227852352

約数和(自身を除く): 156609612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 137, 162, 180, 214, 243, 270, 274, 321, 324, 405, 411, 428, 486, 535, 540, 548, 642, 685, 810, 822, 963, 972, 1070, 1215, 1233, 1284, 1370, 1605, 1620, 1644, 1926, 2055, 2140, 2430, 2466, 2740, 2889, 3210, 3699, 3852, 4110, 4815, 4860, 4932, 5778, 6165, 6420, 7398, 8220, 8667, 9630, 11097, 11556, 12330, 14445, 14659, 14796, 17334, 18495, 19260, 22194, 24660, 26001, 28890, 29318, 33291, 34668, 36990, 43335, 43977, 44388, 52002, 55485, 57780, 58636, 66582, 73295, 73980, 86670, 87954, 104004, 110970, 130005, 131931, 133164, 146590, 166455, 173340, 175908, 219885, 221940, 260010, 263862, 293180, 332910, 395793, 439770, 520020, 527724, 659655, 665820, 791586, 879540, 1187379, 1319310, 1583172, 1978965, 2374758, 2638620, 3562137, 3957930, 4749516, 5936895, 7124274, 7915860, 11873790, 14248548, 17810685, 23747580, 35621370, 71242740]

約数ペア:

[(1, 71242740), (2, 35621370), (3, 23747580), (4, 17810685), (5, 14248548), (6, 11873790), (9, 7915860), (10, 7124274), (12, 5936895), (15, 4749516), (18, 3957930), (20, 3562137), (27, 2638620), (30, 2374758), (36, 1978965), (45, 1583172), (54, 1319310), (60, 1187379), (81, 879540), (90, 791586), (107, 665820), (108, 659655), (135, 527724), (137, 520020), (162, 439770), (180, 395793), (214, 332910), (243, 293180), (270, 263862), (274, 260010), (321, 221940), (324, 219885), (405, 175908), (411, 173340), (428, 166455), (486, 146590), (535, 133164), (540, 131931), (548, 130005), (642, 110970), (685, 104004), (810, 87954), (822, 86670), (963, 73980), (972, 73295), (1070, 66582), (1215, 58636), (1233, 57780), (1284, 55485), (1370, 52002), (1605, 44388), (1620, 43977), (1644, 43335), (1926, 36990), (2055, 34668), (2140, 33291), (2430, 29318), (2466, 28890), (2740, 26001), (2889, 24660), (3210, 22194), (3699, 19260), (3852, 18495), (4110, 17334), (4815, 14796), (4860, 14659), (4932, 14445), (5778, 12330), (6165, 11556), (6420, 11097), (7398, 9630), (8220, 8667)]