20124346480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1\times {\mathrm{569}}^1$

素因数の和:1187

約数の個数: 160

約数和(自身を含む): 54075288960

約数和(自身を除く): 33950942480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 461, 548, 560, 569, 685, 922, 959, 1096, 1138, 1370, 1844, 1918, 2192, 2276, 2305, 2740, 2845, 3227, 3688, 3836, 3983, 4552, 4610, 4795, 5480, 5690, 6454, 7376, 7672, 7966, 9104, 9220, 9590, 10960, 11380, 12908, 15344, 15932, 16135, 18440, 19180, 19915, 22760, 25816, 31864, 32270, 36880, 38360, 39830, 45520, 51632, 63157, 63728, 64540, 76720, 77953, 79660, 126314, 129080, 155906, 159320, 252628, 258160, 262309, 311812, 315785, 318640, 389765, 442099, 505256, 524618, 545671, 623624, 631570, 779530, 884198, 1010512, 1049236, 1091342, 1247248, 1263140, 1311545, 1559060, 1768396, 1836163, 2098472, 2182684, 2210495, 2526280, 2623090, 2728355, 3118120, 3536792, 3672326, 4196944, 4365368, 4420990, 5052560, 5246180, 5456710, 6236240, 7073584, 7344652, 8730736, 8841980, 9180815, 10492360, 10913420, 14689304, 17683960, 18361630, 20984720, 21826840, 29378608, 35367920, 35936333, 36723260, 43653680, 71872666, 73446520, 143745332, 146893040, 179681665, 251554331, 287490664, 359363330, 503108662, 574981328, 718726660, 1006217324, 1257771655, 1437453320, 2012434648, 2515543310, 2874906640, 4024869296, 5031086620, 10062173240, 20124346480]

約数ペア:

[(1, 20124346480), (2, 10062173240), (4, 5031086620), (5, 4024869296), (7, 2874906640), (8, 2515543310), (10, 2012434648), (14, 1437453320), (16, 1257771655), (20, 1006217324), (28, 718726660), (35, 574981328), (40, 503108662), (56, 359363330), (70, 287490664), (80, 251554331), (112, 179681665), (137, 146893040), (140, 143745332), (274, 73446520), (280, 71872666), (461, 43653680), (548, 36723260), (560, 35936333), (569, 35367920), (685, 29378608), (922, 21826840), (959, 20984720), (1096, 18361630), (1138, 17683960), (1370, 14689304), (1844, 10913420), (1918, 10492360), (2192, 9180815), (2276, 8841980), (2305, 8730736), (2740, 7344652), (2845, 7073584), (3227, 6236240), (3688, 5456710), (3836, 5246180), (3983, 5052560), (4552, 4420990), (4610, 4365368), (4795, 4196944), (5480, 3672326), (5690, 3536792), (6454, 3118120), (7376, 2728355), (7672, 2623090), (7966, 2526280), (9104, 2210495), (9220, 2182684), (9590, 2098472), (10960, 1836163), (11380, 1768396), (12908, 1559060), (15344, 1311545), (15932, 1263140), (16135, 1247248), (18440, 1091342), (19180, 1049236), (19915, 1010512), (22760, 884198), (25816, 779530), (31864, 631570), (32270, 623624), (36880, 545671), (38360, 524618), (39830, 505256), (45520, 442099), (51632, 389765), (63157, 318640), (63728, 315785), (64540, 311812), (76720, 262309), (77953, 258160), (79660, 252628), (126314, 159320), (129080, 155906)]