490630320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11171}}^1$

素因数の和:11251

約数の個数: 120

約数和(自身を含む): 1674861552

約数和(自身を除く): 1184231232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 11171, 14640, 21960, 22342, 33513, 43920, 44684, 55855, 67026, 89368, 100539, 111710, 134052, 167565, 178736, 201078, 223420, 268104, 335130, 402156, 446840, 502695, 536208, 670260, 681431, 804312, 893680, 1005390, 1340520, 1362862, 1608624, 2010780, 2044293, 2681040, 2725724, 3407155, 4021560, 4088586, 5451448, 6132879, 6814310, 8043120, 8177172, 10221465, 10902896, 12265758, 13628620, 16354344, 20442930, 24531516, 27257240, 30664395, 32708688, 40885860, 49063032, 54514480, 61328790, 81771720, 98126064, 122657580, 163543440, 245315160, 490630320]

約数ペア:

[(1, 490630320), (2, 245315160), (3, 163543440), (4, 122657580), (5, 98126064), (6, 81771720), (8, 61328790), (9, 54514480), (10, 49063032), (12, 40885860), (15, 32708688), (16, 30664395), (18, 27257240), (20, 24531516), (24, 20442930), (30, 16354344), (36, 13628620), (40, 12265758), (45, 10902896), (48, 10221465), (60, 8177172), (61, 8043120), (72, 6814310), (80, 6132879), (90, 5451448), (120, 4088586), (122, 4021560), (144, 3407155), (180, 2725724), (183, 2681040), (240, 2044293), (244, 2010780), (305, 1608624), (360, 1362862), (366, 1340520), (488, 1005390), (549, 893680), (610, 804312), (720, 681431), (732, 670260), (915, 536208), (976, 502695), (1098, 446840), (1220, 402156), (1464, 335130), (1830, 268104), (2196, 223420), (2440, 201078), (2745, 178736), (2928, 167565), (3660, 134052), (4392, 111710), (4880, 100539), (5490, 89368), (7320, 67026), (8784, 55855), (10980, 44684), (11171, 43920), (14640, 33513), (21960, 22342)]