51854040

素因数分解:

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

素因数の和:84

約数の個数: 256

約数和(自身を含む): 208512000

約数和(自身を除く): 156657960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 361, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 722, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1083, 1140, 1197, 1260, 1330, 1368, 1444, 1512, 1596, 1710, 1805, 1890, 1995, 2052, 2166, 2280, 2394, 2520, 2527, 2565, 2660, 2888, 3192, 3249, 3420, 3591, 3610, 3780, 3990, 4104, 4332, 4788, 5054, 5130, 5320, 5415, 5985, 6498, 6840, 6859, 7182, 7220, 7560, 7581, 7980, 8664, 9576, 9747, 10108, 10260, 10830, 11970, 12635, 12996, 13718, 14364, 14440, 15162, 15960, 16245, 17955, 19494, 20216, 20520, 20577, 21660, 22743, 23940, 25270, 25992, 27436, 28728, 30324, 32490, 34295, 35910, 37905, 38988, 41154, 43320, 45486, 47880, 48013, 48735, 50540, 54872, 60648, 61731, 64980, 68229, 68590, 71820, 75810, 77976, 82308, 90972, 96026, 97470, 101080, 102885, 113715, 123462, 129960, 136458, 137180, 143640, 144039, 151620, 164616, 181944, 185193, 192052, 194940, 205770, 227430, 240065, 246924, 272916, 274360, 288078, 303240, 308655, 341145, 370386, 384104, 389880, 411540, 432117, 454860, 480130, 493848, 545832, 576156, 617310, 682290, 720195, 740772, 823080, 864234, 909720, 925965, 960260, 1152312, 1234620, 1296351, 1364580, 1440390, 1481544, 1728468, 1851930, 1920520, 2160585, 2469240, 2592702, 2729160, 2880780, 3456936, 3703860, 4321170, 5185404, 5761560, 6481755, 7407720, 8642340, 10370808, 12963510, 17284680, 25927020, 51854040]

約数ペア:

[(1, 51854040), (2, 25927020), (3, 17284680), (4, 12963510), (5, 10370808), (6, 8642340), (7, 7407720), (8, 6481755), (9, 5761560), (10, 5185404), (12, 4321170), (14, 3703860), (15, 3456936), (18, 2880780), (19, 2729160), (20, 2592702), (21, 2469240), (24, 2160585), (27, 1920520), (28, 1851930), (30, 1728468), (35, 1481544), (36, 1440390), (38, 1364580), (40, 1296351), (42, 1234620), (45, 1152312), (54, 960260), (56, 925965), (57, 909720), (60, 864234), (63, 823080), (70, 740772), (72, 720195), (76, 682290), (84, 617310), (90, 576156), (95, 545832), (105, 493848), (108, 480130), (114, 454860), (120, 432117), (126, 411540), (133, 389880), (135, 384104), (140, 370386), (152, 341145), (168, 308655), (171, 303240), (180, 288078), (189, 274360), (190, 272916), (210, 246924), (216, 240065), (228, 227430), (252, 205770), (266, 194940), (270, 192052), (280, 185193), (285, 181944), (315, 164616), (342, 151620), (360, 144039), (361, 143640), (378, 137180), (380, 136458), (399, 129960), (420, 123462), (456, 113715), (504, 102885), (513, 101080), (532, 97470), (540, 96026), (570, 90972), (630, 82308), (665, 77976), (684, 75810), (722, 71820), (756, 68590), (760, 68229), (798, 64980), (840, 61731), (855, 60648), (945, 54872), (1026, 50540), (1064, 48735), (1080, 48013), (1083, 47880), (1140, 45486), (1197, 43320), (1260, 41154), (1330, 38988), (1368, 37905), (1444, 35910), (1512, 34295), (1596, 32490), (1710, 30324), (1805, 28728), (1890, 27436), (1995, 25992), (2052, 25270), (2166, 23940), (2280, 22743), (2394, 21660), (2520, 20577), (2527, 20520), (2565, 20216), (2660, 19494), (2888, 17955), (3192, 16245), (3249, 15960), (3420, 15162), (3591, 14440), (3610, 14364), (3780, 13718), (3990, 12996), (4104, 12635), (4332, 11970), (4788, 10830), (5054, 10260), (5130, 10108), (5320, 9747), (5415, 9576), (5985, 8664), (6498, 7980), (6840, 7581), (6859, 7560), (7182, 7220)]