56251980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 186810624

約数和(自身を除く): 130558644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 593, 612, 620, 765, 930, 1020, 1054, 1116, 1186, 1395, 1530, 1581, 1779, 1860, 2108, 2372, 2635, 2790, 2965, 3060, 3162, 3558, 4743, 5270, 5337, 5580, 5930, 6324, 7116, 7905, 8895, 9486, 10081, 10540, 10674, 11860, 15810, 17790, 18383, 18972, 20162, 21348, 23715, 26685, 30243, 31620, 35580, 36766, 40324, 47430, 50405, 53370, 55149, 60486, 73532, 90729, 91915, 94860, 100810, 106740, 110298, 120972, 151215, 165447, 181458, 183830, 201620, 220596, 275745, 302430, 312511, 330894, 362916, 367660, 453645, 551490, 604860, 625022, 661788, 827235, 907290, 937533, 1102980, 1250044, 1562555, 1654470, 1814580, 1875066, 2812599, 3125110, 3308940, 3750132, 4687665, 5625198, 6250220, 9375330, 11250396, 14062995, 18750660, 28125990, 56251980]

約数ペア:

[(1, 56251980), (2, 28125990), (3, 18750660), (4, 14062995), (5, 11250396), (6, 9375330), (9, 6250220), (10, 5625198), (12, 4687665), (15, 3750132), (17, 3308940), (18, 3125110), (20, 2812599), (30, 1875066), (31, 1814580), (34, 1654470), (36, 1562555), (45, 1250044), (51, 1102980), (60, 937533), (62, 907290), (68, 827235), (85, 661788), (90, 625022), (93, 604860), (102, 551490), (124, 453645), (153, 367660), (155, 362916), (170, 330894), (180, 312511), (186, 302430), (204, 275745), (255, 220596), (279, 201620), (306, 183830), (310, 181458), (340, 165447), (372, 151215), (465, 120972), (510, 110298), (527, 106740), (558, 100810), (593, 94860), (612, 91915), (620, 90729), (765, 73532), (930, 60486), (1020, 55149), (1054, 53370), (1116, 50405), (1186, 47430), (1395, 40324), (1530, 36766), (1581, 35580), (1779, 31620), (1860, 30243), (2108, 26685), (2372, 23715), (2635, 21348), (2790, 20162), (2965, 18972), (3060, 18383), (3162, 17790), (3558, 15810), (4743, 11860), (5270, 10674), (5337, 10540), (5580, 10081), (5930, 9486), (6324, 8895), (7116, 7905)]