489674640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3246

約数の個数: 240

約数和(自身を含む): 1902253248

約数和(自身を除く): 1412578608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1456, 1470, 1560, 1680, 1820, 1911, 1960, 2184, 2352, 2548, 2730, 2940, 3120, 3185, 3203, 3640, 3822, 3920, 4368, 5096, 5460, 5880, 6370, 6406, 7280, 7644, 9555, 9609, 10192, 10920, 11760, 12740, 12812, 15288, 16015, 19110, 19218, 21840, 22421, 25480, 25624, 30576, 32030, 38220, 38436, 41639, 44842, 48045, 50960, 51248, 64060, 67263, 76440, 76872, 83278, 89684, 96090, 112105, 124917, 128120, 134526, 152880, 153744, 156947, 166556, 179368, 192180, 208195, 224210, 249834, 256240, 269052, 291473, 313894, 333112, 336315, 358736, 384360, 416390, 448420, 470841, 499668, 538104, 582946, 624585, 627788, 666224, 672630, 768720, 784735, 832780, 874419, 896840, 941682, 999336, 1076208, 1165892, 1249170, 1255576, 1345260, 1457365, 1569470, 1665560, 1748838, 1793680, 1883364, 1998672, 2040311, 2331784, 2354205, 2498340, 2511152, 2690520, 2914730, 3138940, 3331120, 3497676, 3766728, 4080622, 4372095, 4663568, 4708410, 4996680, 5381040, 5829460, 6120933, 6277880, 6995352, 7533456, 8161244, 8744190, 9416820, 9993360, 10201555, 11658920, 12241866, 12555760, 13990704, 16322488, 17488380, 18833640, 20403110, 23317840, 24483732, 30604665, 32644976, 34976760, 37667280, 40806220, 48967464, 61209330, 69953520, 81612440, 97934928, 122418660, 163224880, 244837320, 489674640]

約数ペア:

[(1, 489674640), (2, 244837320), (3, 163224880), (4, 122418660), (5, 97934928), (6, 81612440), (7, 69953520), (8, 61209330), (10, 48967464), (12, 40806220), (13, 37667280), (14, 34976760), (15, 32644976), (16, 30604665), (20, 24483732), (21, 23317840), (24, 20403110), (26, 18833640), (28, 17488380), (30, 16322488), (35, 13990704), (39, 12555760), (40, 12241866), (42, 11658920), (48, 10201555), (49, 9993360), (52, 9416820), (56, 8744190), (60, 8161244), (65, 7533456), (70, 6995352), (78, 6277880), (80, 6120933), (84, 5829460), (91, 5381040), (98, 4996680), (104, 4708410), (105, 4663568), (112, 4372095), (120, 4080622), (130, 3766728), (140, 3497676), (147, 3331120), (156, 3138940), (168, 2914730), (182, 2690520), (195, 2511152), (196, 2498340), (208, 2354205), (210, 2331784), (240, 2040311), (245, 1998672), (260, 1883364), (273, 1793680), (280, 1748838), (294, 1665560), (312, 1569470), (336, 1457365), (364, 1345260), (390, 1255576), (392, 1249170), (420, 1165892), (455, 1076208), (490, 999336), (520, 941682), (546, 896840), (560, 874419), (588, 832780), (624, 784735), (637, 768720), (728, 672630), (735, 666224), (780, 627788), (784, 624585), (840, 582946), (910, 538104), (980, 499668), (1040, 470841), (1092, 448420), (1176, 416390), (1274, 384360), (1365, 358736), (1456, 336315), (1470, 333112), (1560, 313894), (1680, 291473), (1820, 269052), (1911, 256240), (1960, 249834), (2184, 224210), (2352, 208195), (2548, 192180), (2730, 179368), (2940, 166556), (3120, 156947), (3185, 153744), (3203, 152880), (3640, 134526), (3822, 128120), (3920, 124917), (4368, 112105), (5096, 96090), (5460, 89684), (5880, 83278), (6370, 76872), (6406, 76440), (7280, 67263), (7644, 64060), (9555, 51248), (9609, 50960), (10192, 48045), (10920, 44842), (11760, 41639), (12740, 38436), (12812, 38220), (15288, 32030), (16015, 30576), (19110, 25624), (19218, 25480), (21840, 22421)]