39721590

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 117612000

約数和(自身を除く): 77890410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 29, 30, 38, 45, 54, 57, 58, 81, 87, 89, 90, 95, 114, 135, 145, 162, 171, 174, 178, 190, 261, 267, 270, 285, 290, 342, 405, 435, 445, 513, 522, 534, 551, 570, 783, 801, 810, 855, 870, 890, 1026, 1102, 1305, 1335, 1539, 1566, 1602, 1653, 1691, 1710, 2349, 2403, 2565, 2581, 2610, 2670, 2755, 3078, 3306, 3382, 3915, 4005, 4698, 4806, 4959, 5073, 5130, 5162, 5510, 7209, 7695, 7743, 7830, 8010, 8265, 8455, 9918, 10146, 11745, 12015, 12905, 14418, 14877, 15219, 15390, 15486, 16530, 16910, 23229, 23490, 24030, 24795, 25365, 25810, 29754, 30438, 36045, 38715, 44631, 45657, 46458, 49039, 49590, 50730, 69687, 72090, 74385, 76095, 77430, 89262, 91314, 98078, 116145, 136971, 139374, 147117, 148770, 152190, 209061, 223155, 228285, 232290, 245195, 273942, 294234, 348435, 418122, 441351, 446310, 456570, 490390, 684855, 696870, 735585, 882702, 1045305, 1324053, 1369710, 1471170, 2090610, 2206755, 2648106, 3972159, 4413510, 6620265, 7944318, 13240530, 19860795, 39721590]

約数ペア:

[(1, 39721590), (2, 19860795), (3, 13240530), (5, 7944318), (6, 6620265), (9, 4413510), (10, 3972159), (15, 2648106), (18, 2206755), (19, 2090610), (27, 1471170), (29, 1369710), (30, 1324053), (38, 1045305), (45, 882702), (54, 735585), (57, 696870), (58, 684855), (81, 490390), (87, 456570), (89, 446310), (90, 441351), (95, 418122), (114, 348435), (135, 294234), (145, 273942), (162, 245195), (171, 232290), (174, 228285), (178, 223155), (190, 209061), (261, 152190), (267, 148770), (270, 147117), (285, 139374), (290, 136971), (342, 116145), (405, 98078), (435, 91314), (445, 89262), (513, 77430), (522, 76095), (534, 74385), (551, 72090), (570, 69687), (783, 50730), (801, 49590), (810, 49039), (855, 46458), (870, 45657), (890, 44631), (1026, 38715), (1102, 36045), (1305, 30438), (1335, 29754), (1539, 25810), (1566, 25365), (1602, 24795), (1653, 24030), (1691, 23490), (1710, 23229), (2349, 16910), (2403, 16530), (2565, 15486), (2581, 15390), (2610, 15219), (2670, 14877), (2755, 14418), (3078, 12905), (3306, 12015), (3382, 11745), (3915, 10146), (4005, 9918), (4698, 8455), (4806, 8265), (4959, 8010), (5073, 7830), (5130, 7743), (5162, 7695), (5510, 7209)]