81390300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 252067200

約数和(自身を除く): 170676900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 109, 114, 131, 150, 190, 218, 228, 262, 285, 300, 327, 380, 393, 436, 475, 524, 545, 570, 654, 655, 786, 950, 1090, 1140, 1308, 1310, 1425, 1572, 1635, 1900, 1965, 2071, 2180, 2489, 2620, 2725, 2850, 3270, 3275, 3930, 4142, 4978, 5450, 5700, 6213, 6540, 6550, 7467, 7860, 8175, 8284, 9825, 9956, 10355, 10900, 12426, 12445, 13100, 14279, 14934, 16350, 19650, 20710, 24852, 24890, 28558, 29868, 31065, 32700, 37335, 39300, 41420, 42837, 49780, 51775, 57116, 62130, 62225, 71395, 74670, 85674, 103550, 124260, 124450, 142790, 149340, 155325, 171348, 186675, 207100, 214185, 248900, 271301, 285580, 310650, 356975, 373350, 428370, 542602, 621300, 713950, 746700, 813903, 856740, 1070925, 1085204, 1356505, 1427900, 1627806, 2141850, 2713010, 3255612, 4069515, 4283700, 5426020, 6782525, 8139030, 13565050, 16278060, 20347575, 27130100, 40695150, 81390300]

約数ペア:

[(1, 81390300), (2, 40695150), (3, 27130100), (4, 20347575), (5, 16278060), (6, 13565050), (10, 8139030), (12, 6782525), (15, 5426020), (19, 4283700), (20, 4069515), (25, 3255612), (30, 2713010), (38, 2141850), (50, 1627806), (57, 1427900), (60, 1356505), (75, 1085204), (76, 1070925), (95, 856740), (100, 813903), (109, 746700), (114, 713950), (131, 621300), (150, 542602), (190, 428370), (218, 373350), (228, 356975), (262, 310650), (285, 285580), (300, 271301), (327, 248900), (380, 214185), (393, 207100), (436, 186675), (475, 171348), (524, 155325), (545, 149340), (570, 142790), (654, 124450), (655, 124260), (786, 103550), (950, 85674), (1090, 74670), (1140, 71395), (1308, 62225), (1310, 62130), (1425, 57116), (1572, 51775), (1635, 49780), (1900, 42837), (1965, 41420), (2071, 39300), (2180, 37335), (2489, 32700), (2620, 31065), (2725, 29868), (2850, 28558), (3270, 24890), (3275, 24852), (3930, 20710), (4142, 19650), (4978, 16350), (5450, 14934), (5700, 14279), (6213, 13100), (6540, 12445), (6550, 12426), (7467, 10900), (7860, 10355), (8175, 9956), (8284, 9825)]