51494940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 240

約数和(自身を含む): 195148800

約数和(自身を除く): 143653860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 210, 228, 239, 252, 266, 270, 285, 315, 324, 342, 378, 380, 399, 405, 420, 478, 513, 532, 540, 567, 570, 630, 665, 684, 717, 756, 798, 810, 855, 945, 956, 1026, 1134, 1140, 1195, 1197, 1260, 1330, 1434, 1539, 1596, 1620, 1673, 1710, 1890, 1995, 2052, 2151, 2268, 2390, 2394, 2565, 2660, 2835, 2868, 3078, 3346, 3420, 3585, 3591, 3780, 3990, 4302, 4541, 4780, 4788, 5019, 5130, 5670, 5985, 6156, 6453, 6692, 7170, 7182, 7695, 7980, 8365, 8604, 9082, 10038, 10260, 10755, 10773, 11340, 11970, 12906, 13623, 14340, 14364, 15057, 15390, 16730, 17955, 18164, 19359, 20076, 21510, 21546, 22705, 23940, 25095, 25812, 27246, 30114, 30780, 31787, 32265, 33460, 35910, 38718, 40869, 43020, 43092, 45171, 45410, 50190, 53865, 54492, 60228, 63574, 64530, 68115, 71820, 75285, 77436, 81738, 90342, 90820, 95361, 96795, 100380, 107730, 122607, 127148, 129060, 135513, 136230, 150570, 158935, 163476, 180684, 190722, 193590, 204345, 215460, 225855, 245214, 271026, 272460, 286083, 301140, 317870, 367821, 381444, 387180, 408690, 451710, 476805, 490428, 542052, 572166, 613035, 635740, 677565, 735642, 817380, 858249, 903420, 953610, 1144332, 1226070, 1355130, 1430415, 1471284, 1716498, 1839105, 1907220, 2452140, 2574747, 2710260, 2860830, 3432996, 3678210, 4291245, 5149494, 5721660, 7356420, 8582490, 10298988, 12873735, 17164980, 25747470, 51494940]

約数ペア:

[(1, 51494940), (2, 25747470), (3, 17164980), (4, 12873735), (5, 10298988), (6, 8582490), (7, 7356420), (9, 5721660), (10, 5149494), (12, 4291245), (14, 3678210), (15, 3432996), (18, 2860830), (19, 2710260), (20, 2574747), (21, 2452140), (27, 1907220), (28, 1839105), (30, 1716498), (35, 1471284), (36, 1430415), (38, 1355130), (42, 1226070), (45, 1144332), (54, 953610), (57, 903420), (60, 858249), (63, 817380), (70, 735642), (76, 677565), (81, 635740), (84, 613035), (90, 572166), (95, 542052), (105, 490428), (108, 476805), (114, 451710), (126, 408690), (133, 387180), (135, 381444), (140, 367821), (162, 317870), (171, 301140), (180, 286083), (189, 272460), (190, 271026), (210, 245214), (228, 225855), (239, 215460), (252, 204345), (266, 193590), (270, 190722), (285, 180684), (315, 163476), (324, 158935), (342, 150570), (378, 136230), (380, 135513), (399, 129060), (405, 127148), (420, 122607), (478, 107730), (513, 100380), (532, 96795), (540, 95361), (567, 90820), (570, 90342), (630, 81738), (665, 77436), (684, 75285), (717, 71820), (756, 68115), (798, 64530), (810, 63574), (855, 60228), (945, 54492), (956, 53865), (1026, 50190), (1134, 45410), (1140, 45171), (1195, 43092), (1197, 43020), (1260, 40869), (1330, 38718), (1434, 35910), (1539, 33460), (1596, 32265), (1620, 31787), (1673, 30780), (1710, 30114), (1890, 27246), (1995, 25812), (2052, 25095), (2151, 23940), (2268, 22705), (2390, 21546), (2394, 21510), (2565, 20076), (2660, 19359), (2835, 18164), (2868, 17955), (3078, 16730), (3346, 15390), (3420, 15057), (3585, 14364), (3591, 14340), (3780, 13623), (3990, 12906), (4302, 11970), (4541, 11340), (4780, 10773), (4788, 10755), (5019, 10260), (5130, 10038), (5670, 9082), (5985, 8604), (6156, 8365), (6453, 7980), (6692, 7695), (7170, 7182)]