720666720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3271}}^1$

素因数の和:3315

約数の個数: 240

約数和(自身を含む): 2693785248

約数和(自身を除く): 1973118528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 204, 216, 240, 255, 270, 272, 288, 306, 324, 340, 360, 405, 408, 432, 459, 480, 510, 540, 544, 612, 648, 680, 720, 765, 810, 816, 864, 918, 1020, 1080, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1836, 2040, 2160, 2295, 2448, 2592, 2720, 2754, 3060, 3240, 3271, 3672, 4080, 4320, 4590, 4896, 5508, 6120, 6480, 6542, 6885, 7344, 8160, 9180, 9813, 11016, 12240, 12960, 13084, 13770, 14688, 16355, 18360, 19626, 22032, 24480, 26168, 27540, 29439, 32710, 36720, 39252, 44064, 49065, 52336, 55080, 55607, 58878, 65420, 73440, 78504, 88317, 98130, 104672, 110160, 111214, 117756, 130840, 147195, 157008, 166821, 176634, 196260, 220320, 222428, 235512, 261680, 264951, 278035, 294390, 314016, 333642, 353268, 392520, 441585, 444856, 471024, 500463, 523360, 529902, 556070, 588780, 667284, 706536, 785040, 834105, 883170, 889712, 942048, 1000926, 1059804, 1112140, 1177560, 1324755, 1334568, 1413072, 1501389, 1570080, 1668210, 1766340, 1779424, 2001852, 2119608, 2224280, 2355120, 2502315, 2649510, 2669136, 2826144, 3002778, 3336420, 3532680, 4003704, 4239216, 4448560, 4504167, 4710240, 5004630, 5299020, 5338272, 6005556, 6672840, 7065360, 7506945, 8007408, 8478432, 8897120, 9008334, 10009260, 10598040, 12011112, 13345680, 14130720, 15013890, 16014816, 18016668, 20018520, 21196080, 22520835, 24022224, 26691360, 30027780, 36033336, 40037040, 42392160, 45041670, 48044448, 60055560, 72066672, 80074080, 90083340, 120111120, 144133344, 180166680, 240222240, 360333360, 720666720]

約数ペア:

[(1, 720666720), (2, 360333360), (3, 240222240), (4, 180166680), (5, 144133344), (6, 120111120), (8, 90083340), (9, 80074080), (10, 72066672), (12, 60055560), (15, 48044448), (16, 45041670), (17, 42392160), (18, 40037040), (20, 36033336), (24, 30027780), (27, 26691360), (30, 24022224), (32, 22520835), (34, 21196080), (36, 20018520), (40, 18016668), (45, 16014816), (48, 15013890), (51, 14130720), (54, 13345680), (60, 12011112), (68, 10598040), (72, 10009260), (80, 9008334), (81, 8897120), (85, 8478432), (90, 8007408), (96, 7506945), (102, 7065360), (108, 6672840), (120, 6005556), (135, 5338272), (136, 5299020), (144, 5004630), (153, 4710240), (160, 4504167), (162, 4448560), (170, 4239216), (180, 4003704), (204, 3532680), (216, 3336420), (240, 3002778), (255, 2826144), (270, 2669136), (272, 2649510), (288, 2502315), (306, 2355120), (324, 2224280), (340, 2119608), (360, 2001852), (405, 1779424), (408, 1766340), (432, 1668210), (459, 1570080), (480, 1501389), (510, 1413072), (540, 1334568), (544, 1324755), (612, 1177560), (648, 1112140), (680, 1059804), (720, 1000926), (765, 942048), (810, 889712), (816, 883170), (864, 834105), (918, 785040), (1020, 706536), (1080, 667284), (1224, 588780), (1296, 556070), (1360, 529902), (1377, 523360), (1440, 500463), (1530, 471024), (1620, 444856), (1632, 441585), (1836, 392520), (2040, 353268), (2160, 333642), (2295, 314016), (2448, 294390), (2592, 278035), (2720, 264951), (2754, 261680), (3060, 235512), (3240, 222428), (3271, 220320), (3672, 196260), (4080, 176634), (4320, 166821), (4590, 157008), (4896, 147195), (5508, 130840), (6120, 117756), (6480, 111214), (6542, 110160), (6885, 104672), (7344, 98130), (8160, 88317), (9180, 78504), (9813, 73440), (11016, 65420), (12240, 58878), (12960, 55607), (13084, 55080), (13770, 52336), (14688, 49065), (16355, 44064), (18360, 39252), (19626, 36720), (22032, 32710), (24480, 29439), (26168, 27540)]