254509380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2746

約数の個数: 144

約数和(自身を含む): 844107264

約数和(自身を除く): 589597884

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, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1860, 2108, 2635, 2683, 2790, 3060, 3162, 4743, 5270, 5366, 5580, 6324, 7905, 8049, 9486, 10540, 10732, 13415, 15810, 16098, 18972, 23715, 24147, 26830, 31620, 32196, 40245, 45611, 47430, 48294, 53660, 80490, 83173, 91222, 94860, 96588, 120735, 136833, 160980, 166346, 182444, 228055, 241470, 249519, 273666, 332692, 410499, 415865, 456110, 482940, 499038, 547332, 684165, 748557, 820998, 831730, 912220, 998076, 1247595, 1368330, 1413941, 1497114, 1641996, 1663460, 2052495, 2495190, 2736660, 2827882, 2994228, 3742785, 4104990, 4241823, 4990380, 5655764, 7069705, 7485570, 8209980, 8483646, 12725469, 14139410, 14971140, 16967292, 21209115, 25450938, 28278820, 42418230, 50901876, 63627345, 84836460, 127254690, 254509380]

約数ペア:

[(1, 254509380), (2, 127254690), (3, 84836460), (4, 63627345), (5, 50901876), (6, 42418230), (9, 28278820), (10, 25450938), (12, 21209115), (15, 16967292), (17, 14971140), (18, 14139410), (20, 12725469), (30, 8483646), (31, 8209980), (34, 7485570), (36, 7069705), (45, 5655764), (51, 4990380), (60, 4241823), (62, 4104990), (68, 3742785), (85, 2994228), (90, 2827882), (93, 2736660), (102, 2495190), (124, 2052495), (153, 1663460), (155, 1641996), (170, 1497114), (180, 1413941), (186, 1368330), (204, 1247595), (255, 998076), (279, 912220), (306, 831730), (310, 820998), (340, 748557), (372, 684165), (465, 547332), (510, 499038), (527, 482940), (558, 456110), (612, 415865), (620, 410499), (765, 332692), (930, 273666), (1020, 249519), (1054, 241470), (1116, 228055), (1395, 182444), (1530, 166346), (1581, 160980), (1860, 136833), (2108, 120735), (2635, 96588), (2683, 94860), (2790, 91222), (3060, 83173), (3162, 80490), (4743, 53660), (5270, 48294), (5366, 47430), (5580, 45611), (6324, 40245), (7905, 32196), (8049, 31620), (9486, 26830), (10540, 24147), (10732, 23715), (13415, 18972), (15810, 16098)]