1320757920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8263}}^1$

素因数の和:8324

約数の個数: 192

約数和(自身を含む): 4748163840

約数和(自身を除く): 3427405920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 216, 222, 240, 270, 288, 296, 333, 360, 370, 432, 444, 480, 540, 555, 592, 666, 720, 740, 864, 888, 999, 1080, 1110, 1184, 1332, 1440, 1480, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3330, 3552, 3996, 4320, 4440, 4995, 5328, 5920, 6660, 7992, 8263, 8880, 9990, 10656, 13320, 15984, 16526, 17760, 19980, 24789, 26640, 31968, 33052, 39960, 41315, 49578, 53280, 66104, 74367, 79920, 82630, 99156, 123945, 132208, 148734, 159840, 165260, 198312, 223101, 247890, 264416, 297468, 305731, 330520, 371835, 396624, 446202, 495780, 594936, 611462, 661040, 743670, 793248, 892404, 917193, 991560, 1115505, 1189872, 1222924, 1322080, 1487340, 1528655, 1784808, 1834386, 1983120, 2231010, 2379744, 2445848, 2751579, 2974680, 3057310, 3569616, 3668772, 3966240, 4462020, 4585965, 4891696, 5503158, 5949360, 6114620, 7139232, 7337544, 8254737, 8924040, 9171930, 9783392, 11006316, 11898720, 12229240, 13757895, 14675088, 16509474, 17848080, 18343860, 22012632, 24458480, 27515790, 29350176, 33018948, 35696160, 36687720, 41273685, 44025264, 48916960, 55031580, 66037896, 73375440, 82547370, 88050528, 110063160, 132075792, 146750880, 165094740, 220126320, 264151584, 330189480, 440252640, 660378960, 1320757920]

約数ペア:

[(1, 1320757920), (2, 660378960), (3, 440252640), (4, 330189480), (5, 264151584), (6, 220126320), (8, 165094740), (9, 146750880), (10, 132075792), (12, 110063160), (15, 88050528), (16, 82547370), (18, 73375440), (20, 66037896), (24, 55031580), (27, 48916960), (30, 44025264), (32, 41273685), (36, 36687720), (37, 35696160), (40, 33018948), (45, 29350176), (48, 27515790), (54, 24458480), (60, 22012632), (72, 18343860), (74, 17848080), (80, 16509474), (90, 14675088), (96, 13757895), (108, 12229240), (111, 11898720), (120, 11006316), (135, 9783392), (144, 9171930), (148, 8924040), (160, 8254737), (180, 7337544), (185, 7139232), (216, 6114620), (222, 5949360), (240, 5503158), (270, 4891696), (288, 4585965), (296, 4462020), (333, 3966240), (360, 3668772), (370, 3569616), (432, 3057310), (444, 2974680), (480, 2751579), (540, 2445848), (555, 2379744), (592, 2231010), (666, 1983120), (720, 1834386), (740, 1784808), (864, 1528655), (888, 1487340), (999, 1322080), (1080, 1222924), (1110, 1189872), (1184, 1115505), (1332, 991560), (1440, 917193), (1480, 892404), (1665, 793248), (1776, 743670), (1998, 661040), (2160, 611462), (2220, 594936), (2664, 495780), (2960, 446202), (3330, 396624), (3552, 371835), (3996, 330520), (4320, 305731), (4440, 297468), (4995, 264416), (5328, 247890), (5920, 223101), (6660, 198312), (7992, 165260), (8263, 159840), (8880, 148734), (9990, 132208), (10656, 123945), (13320, 99156), (15984, 82630), (16526, 79920), (17760, 74367), (19980, 66104), (24789, 53280), (26640, 49578), (31968, 41315), (33052, 39960)]