81305370

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:631

約数の個数: 112

約数和(自身を含む): 231366240

約数和(自身を除く): 150060870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 243, 270, 285, 342, 405, 486, 513, 570, 587, 729, 810, 855, 1026, 1174, 1215, 1458, 1539, 1710, 1761, 2430, 2565, 2935, 3078, 3522, 3645, 4617, 5130, 5283, 5870, 7290, 7695, 8805, 9234, 10566, 11153, 13851, 15390, 15849, 17610, 22306, 23085, 26415, 27702, 31698, 33459, 46170, 47547, 52830, 55765, 66918, 69255, 79245, 95094, 100377, 111530, 138510, 142641, 158490, 167295, 200754, 237735, 285282, 301131, 334590, 427923, 475470, 501885, 602262, 713205, 855846, 903393, 1003770, 1426410, 1505655, 1806786, 2139615, 2710179, 3011310, 4279230, 4516965, 5420358, 8130537, 9033930, 13550895, 16261074, 27101790, 40652685, 81305370]

約数ペア:

[(1, 81305370), (2, 40652685), (3, 27101790), (5, 16261074), (6, 13550895), (9, 9033930), (10, 8130537), (15, 5420358), (18, 4516965), (19, 4279230), (27, 3011310), (30, 2710179), (38, 2139615), (45, 1806786), (54, 1505655), (57, 1426410), (81, 1003770), (90, 903393), (95, 855846), (114, 713205), (135, 602262), (162, 501885), (171, 475470), (190, 427923), (243, 334590), (270, 301131), (285, 285282), (342, 237735), (405, 200754), (486, 167295), (513, 158490), (570, 142641), (587, 138510), (729, 111530), (810, 100377), (855, 95094), (1026, 79245), (1174, 69255), (1215, 66918), (1458, 55765), (1539, 52830), (1710, 47547), (1761, 46170), (2430, 33459), (2565, 31698), (2935, 27702), (3078, 26415), (3522, 23085), (3645, 22306), (4617, 17610), (5130, 15849), (5283, 15390), (5870, 13851), (7290, 11153), (7695, 10566), (8805, 9234)]