388583280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:688

約数の個数: 240

約数和(自身を含む): 1410177600

約数和(自身を除く): 1021594320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 53, 60, 68, 72, 80, 85, 90, 102, 106, 120, 136, 144, 153, 159, 170, 180, 204, 212, 240, 255, 265, 272, 306, 318, 340, 360, 408, 424, 477, 510, 530, 599, 612, 636, 680, 720, 765, 795, 816, 848, 901, 954, 1020, 1060, 1198, 1224, 1272, 1360, 1530, 1590, 1797, 1802, 1908, 2040, 2120, 2385, 2396, 2448, 2544, 2703, 2995, 3060, 3180, 3594, 3604, 3816, 4080, 4240, 4505, 4770, 4792, 5391, 5406, 5990, 6120, 6360, 7188, 7208, 7632, 8109, 8985, 9010, 9540, 9584, 10183, 10782, 10812, 11980, 12240, 12720, 13515, 14376, 14416, 16218, 17970, 18020, 19080, 20366, 21564, 21624, 23960, 26955, 27030, 28752, 30549, 31747, 32436, 35940, 36040, 38160, 40545, 40732, 43128, 43248, 47920, 50915, 53910, 54060, 61098, 63494, 64872, 71880, 72080, 81090, 81464, 86256, 91647, 95241, 101830, 107820, 108120, 122196, 126988, 129744, 143760, 152745, 158735, 162180, 162928, 183294, 190482, 203660, 215640, 216240, 244392, 253976, 285723, 305490, 317470, 324360, 366588, 380964, 407320, 431280, 458235, 476205, 488784, 507952, 539699, 571446, 610980, 634940, 648720, 733176, 761928, 814640, 916470, 952410, 1079398, 1142892, 1221960, 1269880, 1428615, 1466352, 1523856, 1619097, 1832940, 1904820, 2158796, 2285784, 2443920, 2539760, 2698495, 2857230, 3238194, 3665880, 3809640, 4317592, 4571568, 4857291, 5396990, 5714460, 6476388, 7331760, 7619280, 8095485, 8635184, 9714582, 10793980, 11428920, 12952776, 16190970, 19429164, 21587960, 22857840, 24286455, 25905552, 32381940, 38858328, 43175920, 48572910, 64763880, 77716656, 97145820, 129527760, 194291640, 388583280]

約数ペア:

[(1, 388583280), (2, 194291640), (3, 129527760), (4, 97145820), (5, 77716656), (6, 64763880), (8, 48572910), (9, 43175920), (10, 38858328), (12, 32381940), (15, 25905552), (16, 24286455), (17, 22857840), (18, 21587960), (20, 19429164), (24, 16190970), (30, 12952776), (34, 11428920), (36, 10793980), (40, 9714582), (45, 8635184), (48, 8095485), (51, 7619280), (53, 7331760), (60, 6476388), (68, 5714460), (72, 5396990), (80, 4857291), (85, 4571568), (90, 4317592), (102, 3809640), (106, 3665880), (120, 3238194), (136, 2857230), (144, 2698495), (153, 2539760), (159, 2443920), (170, 2285784), (180, 2158796), (204, 1904820), (212, 1832940), (240, 1619097), (255, 1523856), (265, 1466352), (272, 1428615), (306, 1269880), (318, 1221960), (340, 1142892), (360, 1079398), (408, 952410), (424, 916470), (477, 814640), (510, 761928), (530, 733176), (599, 648720), (612, 634940), (636, 610980), (680, 571446), (720, 539699), (765, 507952), (795, 488784), (816, 476205), (848, 458235), (901, 431280), (954, 407320), (1020, 380964), (1060, 366588), (1198, 324360), (1224, 317470), (1272, 305490), (1360, 285723), (1530, 253976), (1590, 244392), (1797, 216240), (1802, 215640), (1908, 203660), (2040, 190482), (2120, 183294), (2385, 162928), (2396, 162180), (2448, 158735), (2544, 152745), (2703, 143760), (2995, 129744), (3060, 126988), (3180, 122196), (3594, 108120), (3604, 107820), (3816, 101830), (4080, 95241), (4240, 91647), (4505, 86256), (4770, 81464), (4792, 81090), (5391, 72080), (5406, 71880), (5990, 64872), (6120, 63494), (6360, 61098), (7188, 54060), (7208, 53910), (7632, 50915), (8109, 47920), (8985, 43248), (9010, 43128), (9540, 40732), (9584, 40545), (10183, 38160), (10782, 36040), (10812, 35940), (11980, 32436), (12240, 31747), (12720, 30549), (13515, 28752), (14376, 27030), (14416, 26955), (16218, 23960), (17970, 21624), (18020, 21564), (19080, 20366)]