159979820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 192

約数和(自身を含む): 461970432

約数和(自身を除く): 301990612

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 61, 65, 70, 77, 91, 110, 122, 130, 131, 140, 143, 154, 182, 220, 244, 260, 262, 286, 305, 308, 364, 385, 427, 455, 524, 572, 610, 655, 671, 715, 770, 793, 854, 910, 917, 1001, 1220, 1310, 1342, 1430, 1441, 1540, 1586, 1703, 1708, 1820, 1834, 2002, 2135, 2620, 2684, 2860, 2882, 3172, 3355, 3406, 3668, 3965, 4004, 4270, 4585, 4697, 5005, 5551, 5764, 6710, 6812, 7205, 7930, 7991, 8515, 8540, 8723, 9170, 9394, 10010, 10087, 11102, 11921, 13420, 14410, 15860, 15982, 17030, 17446, 18340, 18733, 18788, 20020, 20174, 22204, 23485, 23842, 27755, 28820, 31964, 34060, 34892, 37466, 39955, 40348, 43615, 46970, 47684, 50435, 55510, 55937, 59605, 61061, 74932, 79910, 87230, 87901, 93665, 93940, 100870, 103883, 111020, 111874, 119210, 122122, 131131, 159820, 174460, 175802, 187330, 201740, 207766, 223748, 238420, 244244, 262262, 279685, 305305, 351604, 374660, 415532, 439505, 519415, 524524, 559370, 610610, 615307, 655655, 727181, 879010, 1038830, 1118740, 1142713, 1221220, 1230614, 1311310, 1454362, 1758020, 2077660, 2285426, 2461228, 2622620, 2908724, 3076535, 3635905, 4570852, 5713565, 6153070, 7271810, 7998991, 11427130, 12306140, 14543620, 15997982, 22854260, 31995964, 39994955, 79989910, 159979820]

約数ペア:

[(1, 159979820), (2, 79989910), (4, 39994955), (5, 31995964), (7, 22854260), (10, 15997982), (11, 14543620), (13, 12306140), (14, 11427130), (20, 7998991), (22, 7271810), (26, 6153070), (28, 5713565), (35, 4570852), (44, 3635905), (52, 3076535), (55, 2908724), (61, 2622620), (65, 2461228), (70, 2285426), (77, 2077660), (91, 1758020), (110, 1454362), (122, 1311310), (130, 1230614), (131, 1221220), (140, 1142713), (143, 1118740), (154, 1038830), (182, 879010), (220, 727181), (244, 655655), (260, 615307), (262, 610610), (286, 559370), (305, 524524), (308, 519415), (364, 439505), (385, 415532), (427, 374660), (455, 351604), (524, 305305), (572, 279685), (610, 262262), (655, 244244), (671, 238420), (715, 223748), (770, 207766), (793, 201740), (854, 187330), (910, 175802), (917, 174460), (1001, 159820), (1220, 131131), (1310, 122122), (1342, 119210), (1430, 111874), (1441, 111020), (1540, 103883), (1586, 100870), (1703, 93940), (1708, 93665), (1820, 87901), (1834, 87230), (2002, 79910), (2135, 74932), (2620, 61061), (2684, 59605), (2860, 55937), (2882, 55510), (3172, 50435), (3355, 47684), (3406, 46970), (3668, 43615), (3965, 40348), (4004, 39955), (4270, 37466), (4585, 34892), (4697, 34060), (5005, 31964), (5551, 28820), (5764, 27755), (6710, 23842), (6812, 23485), (7205, 22204), (7930, 20174), (7991, 20020), (8515, 18788), (8540, 18733), (8723, 18340), (9170, 17446), (9394, 17030), (10010, 15982), (10087, 15860), (11102, 14410), (11921, 13420)]