87781590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 255830400

約数和(自身を除く): 168048810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 89, 90, 117, 130, 135, 178, 195, 234, 267, 270, 281, 351, 390, 445, 534, 562, 585, 702, 801, 843, 890, 1157, 1170, 1335, 1405, 1602, 1686, 1755, 2314, 2403, 2529, 2670, 2810, 3471, 3510, 3653, 4005, 4215, 4806, 5058, 5785, 6942, 7306, 7587, 8010, 8430, 10413, 10959, 11570, 12015, 12645, 15174, 17355, 18265, 20826, 21918, 24030, 25009, 25290, 31239, 32877, 34710, 36530, 37935, 50018, 52065, 54795, 62478, 65754, 75027, 75870, 98631, 104130, 109590, 125045, 150054, 156195, 164385, 197262, 225081, 250090, 312390, 325117, 328770, 375135, 450162, 493155, 650234, 675243, 750270, 975351, 986310, 1125405, 1350486, 1625585, 1950702, 2250810, 2926053, 3251170, 3376215, 4876755, 5852106, 6752430, 8778159, 9753510, 14630265, 17556318, 29260530, 43890795, 87781590]

約数ペア:

[(1, 87781590), (2, 43890795), (3, 29260530), (5, 17556318), (6, 14630265), (9, 9753510), (10, 8778159), (13, 6752430), (15, 5852106), (18, 4876755), (26, 3376215), (27, 3251170), (30, 2926053), (39, 2250810), (45, 1950702), (54, 1625585), (65, 1350486), (78, 1125405), (89, 986310), (90, 975351), (117, 750270), (130, 675243), (135, 650234), (178, 493155), (195, 450162), (234, 375135), (267, 328770), (270, 325117), (281, 312390), (351, 250090), (390, 225081), (445, 197262), (534, 164385), (562, 156195), (585, 150054), (702, 125045), (801, 109590), (843, 104130), (890, 98631), (1157, 75870), (1170, 75027), (1335, 65754), (1405, 62478), (1602, 54795), (1686, 52065), (1755, 50018), (2314, 37935), (2403, 36530), (2529, 34710), (2670, 32877), (2810, 31239), (3471, 25290), (3510, 25009), (3653, 24030), (4005, 21918), (4215, 20826), (4806, 18265), (5058, 17355), (5785, 15174), (6942, 12645), (7306, 12015), (7587, 11570), (8010, 10959), (8430, 10413)]