31819743540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:190

約数の個数: 960

約数和(自身を含む): 121960194048

約数和(自身を除く): 90140450508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 31, 34, 36, 39, 45, 47, 51, 52, 54, 60, 61, 62, 65, 68, 78, 81, 85, 90, 93, 94, 102, 108, 117, 122, 124, 130, 135, 141, 153, 155, 156, 162, 170, 180, 183, 186, 188, 195, 204, 221, 234, 235, 244, 255, 260, 270, 279, 282, 305, 306, 310, 324, 340, 351, 366, 372, 390, 403, 405, 423, 442, 459, 465, 468, 470, 510, 527, 540, 549, 558, 564, 585, 610, 611, 612, 620, 663, 702, 705, 732, 765, 780, 793, 799, 806, 810, 837, 846, 884, 915, 918, 930, 940, 1020, 1037, 1053, 1054, 1098, 1105, 1116, 1170, 1209, 1220, 1222, 1269, 1326, 1377, 1395, 1404, 1410, 1457, 1530, 1581, 1586, 1598, 1612, 1620, 1647, 1674, 1692, 1755, 1830, 1833, 1836, 1860, 1891, 1989, 2015, 2074, 2106, 2108, 2115, 2196, 2210, 2295, 2340, 2379, 2397, 2418, 2444, 2511, 2538, 2635, 2652, 2745, 2754, 2790, 2820, 2867, 2914, 3055, 3060, 3111, 3162, 3172, 3196, 3294, 3315, 3348, 3510, 3627, 3660, 3666, 3782, 3807, 3965, 3978, 3995, 4030, 4148, 4185, 4212, 4230, 4371, 4420, 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約数ペア:

[(1, 31819743540), (2, 15909871770), (3, 10606581180), (4, 7954935885), (5, 6363948708), (6, 5303290590), (9, 3535527060), (10, 3181974354), (12, 2651645295), (13, 2447672580), (15, 2121316236), (17, 1871749620), (18, 1767763530), (20, 1590987177), (26, 1223836290), (27, 1178509020), (30, 1060658118), (31, 1026443340), (34, 935874810), (36, 883881765), (39, 815890860), (45, 707105412), (47, 677015820), (51, 623916540), (52, 611918145), (54, 589254510), (60, 530329059), (61, 521635140), (62, 513221670), (65, 489534516), (68, 467937405), (78, 407945430), (81, 392836340), (85, 374349924), (90, 353552706), (93, 342147780), (94, 338507910), (102, 311958270), (108, 294627255), (117, 271963620), (122, 260817570), (124, 256610835), (130, 244767258), (135, 235701804), (141, 225671940), (153, 207972180), (155, 205288668), (156, 203972715), (162, 196418170), (170, 187174962), (180, 176776353), (183, 173878380), (186, 171073890), (188, 169253955), (195, 163178172), (204, 155979135), (221, 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(1098, 28979730), (1105, 28796148), (1116, 28512315), (1170, 27196362), (1209, 26319060), (1220, 26081757), (1222, 26039070), (1269, 25074660), (1326, 23996790), (1377, 23108020), (1395, 22809852), (1404, 22663635), (1410, 22567194), (1457, 21839220), (1530, 20797218), (1581, 20126340), (1586, 20062890), (1598, 19912230), (1612, 19739295), (1620, 19641817), (1647, 19319820), (1674, 19008210), (1692, 18805995), (1755, 18130908), (1830, 17387838), (1833, 17359380), (1836, 17331015), (1860, 17107389), (1891, 16826940), (1989, 15997860), (2015, 15791436), (2074, 15342210), (2106, 15109090), (2108, 15094755), (2115, 15044796), (2196, 14489865), (2210, 14398074), (2295, 13864812), (2340, 13598181), (2379, 13375260), (2397, 13274820), (2418, 13159530), (2444, 13019535), (2511, 12672140), (2538, 12537330), (2635, 12075804), (2652, 11998395), (2745, 11591892), (2754, 11554010), (2790, 11404926), (2820, 11283597), (2867, 11098620), (2914, 10919610), (3055, 10415628), (3060, 10398609), (3111, 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