240305920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 623256480

約数和(自身を除く): 382950560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 241, 256, 304, 320, 328, 380, 410, 482, 608, 640, 656, 760, 779, 820, 964, 1205, 1216, 1280, 1312, 1520, 1558, 1640, 1928, 2410, 2432, 2624, 3040, 3116, 3280, 3856, 3895, 4579, 4820, 4864, 5248, 6080, 6232, 6560, 7712, 7790, 9158, 9640, 9881, 10496, 12160, 12464, 13120, 15424, 15580, 18316, 19280, 19762, 22895, 24320, 24928, 26240, 30848, 31160, 36632, 38560, 39524, 45790, 49405, 49856, 52480, 61696, 62320, 73264, 77120, 79048, 91580, 98810, 99712, 124640, 146528, 154240, 158096, 183160, 187739, 197620, 199424, 249280, 293056, 308480, 316192, 366320, 375478, 395240, 498560, 586112, 632384, 732640, 750956, 790480, 938695, 997120, 1172224, 1264768, 1465280, 1501912, 1580960, 1877390, 2529536, 2930560, 3003824, 3161920, 3754780, 5861120, 6007648, 6323840, 7509560, 12015296, 12647680, 15019120, 24030592, 30038240, 48061184, 60076480, 120152960, 240305920]

約数ペア:

[(1, 240305920), (2, 120152960), (4, 60076480), (5, 48061184), (8, 30038240), (10, 24030592), (16, 15019120), (19, 12647680), (20, 12015296), (32, 7509560), (38, 6323840), (40, 6007648), (41, 5861120), (64, 3754780), (76, 3161920), (80, 3003824), (82, 2930560), (95, 2529536), (128, 1877390), (152, 1580960), (160, 1501912), (164, 1465280), (190, 1264768), (205, 1172224), (241, 997120), (256, 938695), (304, 790480), (320, 750956), (328, 732640), (380, 632384), (410, 586112), (482, 498560), (608, 395240), (640, 375478), (656, 366320), (760, 316192), (779, 308480), (820, 293056), (964, 249280), (1205, 199424), (1216, 197620), (1280, 187739), (1312, 183160), (1520, 158096), (1558, 154240), (1640, 146528), (1928, 124640), (2410, 99712), (2432, 98810), (2624, 91580), (3040, 79048), (3116, 77120), (3280, 73264), (3856, 62320), (3895, 61696), (4579, 52480), (4820, 49856), (4864, 49405), (5248, 45790), (6080, 39524), (6232, 38560), (6560, 36632), (7712, 31160), (7790, 30848), (9158, 26240), (9640, 24928), (9881, 24320), (10496, 22895), (12160, 19762), (12464, 19280), (13120, 18316), (15424, 15580)]