28380480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 224

約数和(自身を含む): 100071936

約数和(自身を除く): 71691456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 47, 48, 51, 60, 64, 68, 74, 80, 85, 94, 96, 102, 111, 120, 136, 141, 148, 160, 170, 185, 188, 192, 204, 222, 235, 240, 255, 272, 282, 296, 320, 340, 370, 376, 408, 444, 470, 480, 510, 544, 555, 564, 592, 629, 680, 705, 740, 752, 799, 816, 888, 940, 960, 1020, 1088, 1110, 1128, 1184, 1258, 1360, 1410, 1480, 1504, 1598, 1632, 1739, 1776, 1880, 1887, 2040, 2220, 2256, 2368, 2397, 2516, 2720, 2820, 2960, 3008, 3145, 3196, 3264, 3478, 3552, 3760, 3774, 3995, 4080, 4440, 4512, 4794, 5032, 5217, 5440, 5640, 5920, 6290, 6392, 6956, 7104, 7520, 7548, 7990, 8160, 8695, 8880, 9024, 9435, 9588, 10064, 10434, 11280, 11840, 11985, 12580, 12784, 13912, 15040, 15096, 15980, 16320, 17390, 17760, 18870, 19176, 20128, 20868, 22560, 23970, 25160, 25568, 26085, 27824, 29563, 30192, 31960, 34780, 35520, 37740, 38352, 40256, 41736, 45120, 47940, 50320, 51136, 52170, 55648, 59126, 60384, 63920, 69560, 75480, 76704, 83472, 88689, 95880, 100640, 104340, 111296, 118252, 120768, 127840, 139120, 147815, 150960, 153408, 166944, 177378, 191760, 201280, 208680, 236504, 255680, 278240, 295630, 301920, 333888, 354756, 383520, 417360, 443445, 473008, 556480, 591260, 603840, 709512, 767040, 834720, 886890, 946016, 1182520, 1419024, 1669440, 1773780, 1892032, 2365040, 2838048, 3547560, 4730080, 5676096, 7095120, 9460160, 14190240, 28380480]

約数ペア:

[(1, 28380480), (2, 14190240), (3, 9460160), (4, 7095120), (5, 5676096), (6, 4730080), (8, 3547560), (10, 2838048), (12, 2365040), (15, 1892032), (16, 1773780), (17, 1669440), (20, 1419024), (24, 1182520), (30, 946016), (32, 886890), (34, 834720), (37, 767040), (40, 709512), (47, 603840), (48, 591260), (51, 556480), (60, 473008), (64, 443445), (68, 417360), (74, 383520), (80, 354756), (85, 333888), (94, 301920), (96, 295630), (102, 278240), (111, 255680), (120, 236504), (136, 208680), (141, 201280), (148, 191760), (160, 177378), (170, 166944), (185, 153408), (188, 150960), (192, 147815), (204, 139120), (222, 127840), (235, 120768), (240, 118252), (255, 111296), (272, 104340), (282, 100640), (296, 95880), (320, 88689), (340, 83472), (370, 76704), (376, 75480), (408, 69560), (444, 63920), (470, 60384), (480, 59126), (510, 55648), (544, 52170), (555, 51136), (564, 50320), (592, 47940), (629, 45120), (680, 41736), (705, 40256), (740, 38352), (752, 37740), (799, 35520), (816, 34780), (888, 31960), (940, 30192), (960, 29563), (1020, 27824), (1088, 26085), (1110, 25568), (1128, 25160), (1184, 23970), (1258, 22560), (1360, 20868), (1410, 20128), (1480, 19176), (1504, 18870), (1598, 17760), (1632, 17390), (1739, 16320), (1776, 15980), (1880, 15096), (1887, 15040), (2040, 13912), (2220, 12784), (2256, 12580), (2368, 11985), (2397, 11840), (2516, 11280), (2720, 10434), (2820, 10064), (2960, 9588), (3008, 9435), (3145, 9024), (3196, 8880), (3264, 8695), (3478, 8160), (3552, 7990), (3760, 7548), (3774, 7520), (3995, 7104), (4080, 6956), (4440, 6392), (4512, 6290), (4794, 5920), (5032, 5640), (5217, 5440)]