7281285720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:690

約数の個数: 256

約数和(自身を含む): 23477299200

約数和(自身を除く): 16196013480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 73, 92, 115, 120, 138, 142, 146, 184, 213, 219, 230, 276, 284, 292, 345, 355, 365, 426, 438, 460, 509, 552, 568, 584, 690, 710, 730, 852, 876, 920, 1018, 1065, 1095, 1380, 1420, 1460, 1527, 1633, 1679, 1704, 1752, 2036, 2130, 2190, 2545, 2760, 2840, 2920, 3054, 3266, 3358, 4072, 4260, 4380, 4899, 5037, 5090, 5183, 6108, 6532, 6716, 7635, 8165, 8395, 8520, 8760, 9798, 10074, 10180, 10366, 11707, 12216, 13064, 13432, 15270, 15549, 16330, 16790, 19596, 20148, 20360, 20732, 23414, 24495, 25185, 25915, 30540, 31098, 32660, 33580, 35121, 36139, 37157, 39192, 40296, 41464, 46828, 48990, 50370, 51830, 58535, 61080, 62196, 65320, 67160, 70242, 72278, 74314, 77745, 93656, 97980, 100740, 103660, 108417, 111471, 117070, 119209, 124392, 140484, 144556, 148628, 155490, 175605, 180695, 185785, 195960, 201480, 207320, 216834, 222942, 234140, 238418, 280968, 289112, 297256, 310980, 351210, 357627, 361390, 371570, 433668, 445884, 468280, 476836, 542085, 557355, 596045, 621960, 702420, 715254, 722780, 743140, 831197, 854611, 867336, 891768, 953672, 1084170, 1114710, 1192090, 1404840, 1430508, 1445560, 1486280, 1662394, 1709222, 1788135, 2168340, 2229420, 2384180, 2493591, 2563833, 2638147, 2861016, 3324788, 3418444, 3576270, 4155985, 4273055, 4336680, 4458840, 4768360, 4987182, 5127666, 5276294, 6649576, 6836888, 7152540, 7914441, 8311970, 8546110, 9974364, 10255332, 10552588, 12467955, 12819165, 13190735, 14305080, 15828882, 16623940, 17092220, 19948728, 20510664, 21105176, 24935910, 25638330, 26381470, 31657764, 33247880, 34184440, 39572205, 49871820, 51276660, 52762940, 60677381, 63315528, 79144410, 99743640, 102553320, 105525880, 121354762, 158288820, 182032143, 242709524, 303386905, 316577640, 364064286, 485419048, 606773810, 728128572, 910160715, 1213547620, 1456257144, 1820321430, 2427095240, 3640642860, 7281285720]

約数ペア:

[(1, 7281285720), (2, 3640642860), (3, 2427095240), (4, 1820321430), (5, 1456257144), (6, 1213547620), (8, 910160715), (10, 728128572), (12, 606773810), (15, 485419048), (20, 364064286), (23, 316577640), (24, 303386905), (30, 242709524), (40, 182032143), (46, 158288820), (60, 121354762), (69, 105525880), (71, 102553320), (73, 99743640), (92, 79144410), (115, 63315528), (120, 60677381), (138, 52762940), (142, 51276660), (146, 49871820), (184, 39572205), (213, 34184440), (219, 33247880), (230, 31657764), (276, 26381470), (284, 25638330), (292, 24935910), (345, 21105176), (355, 20510664), (365, 19948728), (426, 17092220), (438, 16623940), (460, 15828882), (509, 14305080), (552, 13190735), (568, 12819165), (584, 12467955), (690, 10552588), (710, 10255332), (730, 9974364), (852, 8546110), (876, 8311970), (920, 7914441), (1018, 7152540), (1065, 6836888), (1095, 6649576), (1380, 5276294), (1420, 5127666), (1460, 4987182), (1527, 4768360), (1633, 4458840), (1679, 4336680), (1704, 4273055), (1752, 4155985), (2036, 3576270), (2130, 3418444), (2190, 3324788), (2545, 2861016), (2760, 2638147), (2840, 2563833), (2920, 2493591), (3054, 2384180), (3266, 2229420), (3358, 2168340), (4072, 1788135), (4260, 1709222), (4380, 1662394), (4899, 1486280), (5037, 1445560), (5090, 1430508), (5183, 1404840), (6108, 1192090), (6532, 1114710), (6716, 1084170), (7635, 953672), (8165, 891768), (8395, 867336), (8520, 854611), (8760, 831197), (9798, 743140), (10074, 722780), (10180, 715254), (10366, 702420), (11707, 621960), (12216, 596045), (13064, 557355), (13432, 542085), (15270, 476836), (15549, 468280), (16330, 445884), (16790, 433668), (19596, 371570), (20148, 361390), (20360, 357627), (20732, 351210), (23414, 310980), (24495, 297256), (25185, 289112), (25915, 280968), (30540, 238418), (31098, 234140), (32660, 222942), (33580, 216834), (35121, 207320), (36139, 201480), (37157, 195960), (39192, 185785), (40296, 180695), (41464, 175605), (46828, 155490), (48990, 148628), (50370, 144556), (51830, 140484), (58535, 124392), (61080, 119209), (62196, 117070), (65320, 111471), (67160, 108417), (70242, 103660), (72278, 100740), (74314, 97980), (77745, 93656)]