18690734720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9547}}^1$

素因数の和:9615

約数の個数: 256

約数和(自身を含む): 56096409600

約数和(自身を除く): 37405674880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 46, 56, 64, 70, 76, 80, 92, 95, 112, 115, 128, 133, 140, 152, 160, 161, 184, 190, 224, 230, 266, 280, 304, 320, 322, 368, 380, 437, 448, 460, 532, 560, 608, 640, 644, 665, 736, 760, 805, 874, 896, 920, 1064, 1120, 1216, 1288, 1330, 1472, 1520, 1610, 1748, 1840, 2128, 2185, 2240, 2432, 2576, 2660, 2944, 3040, 3059, 3220, 3496, 3680, 4256, 4370, 4480, 5152, 5320, 6080, 6118, 6440, 6992, 7360, 8512, 8740, 9547, 10304, 10640, 12160, 12236, 12880, 13984, 14720, 15295, 17024, 17480, 19094, 20608, 21280, 24472, 25760, 27968, 30590, 34960, 38188, 42560, 47735, 48944, 51520, 55936, 61180, 66829, 69920, 76376, 85120, 95470, 97888, 103040, 122360, 133658, 139840, 152752, 181393, 190940, 195776, 219581, 244720, 267316, 279680, 305504, 334145, 362786, 381880, 391552, 439162, 489440, 534632, 611008, 668290, 725572, 763760, 878324, 906965, 978880, 1069264, 1097905, 1222016, 1269751, 1336580, 1451144, 1527520, 1537067, 1756648, 1813930, 1957760, 2138528, 2195810, 2539502, 2673160, 2902288, 3055040, 3074134, 3513296, 3627860, 4172039, 4277056, 4391620, 5079004, 5346320, 5804576, 6110080, 6148268, 6348755, 7026592, 7255720, 7685335, 8344078, 8554112, 8783240, 10158008, 10692640, 11609152, 12296536, 12697510, 14053184, 14511440, 15370670, 16688156, 17566480, 20316016, 20860195, 21385280, 23218304, 24593072, 25395020, 28106368, 29022880, 29204273, 30741340, 33376312, 35132960, 40632032, 41720390, 42770560, 49186144, 50790040, 58045760, 58408546, 61482680, 66752624, 70265920, 81264064, 83440780, 98372288, 101580080, 116091520, 116817092, 122965360, 133505248, 140531840, 146021365, 162528128, 166881560, 196744576, 203160160, 233634184, 245930720, 267010496, 292042730, 333763120, 406320320, 467268368, 491861440, 534020992, 584085460, 667526240, 812640640, 934536736, 983722880, 1168170920, 1335052480, 1869073472, 2336341840, 2670104960, 3738146944, 4672683680, 9345367360, 18690734720]

約数ペア:

[(1, 18690734720), (2, 9345367360), (4, 4672683680), (5, 3738146944), (7, 2670104960), (8, 2336341840), (10, 1869073472), (14, 1335052480), (16, 1168170920), (19, 983722880), (20, 934536736), (23, 812640640), (28, 667526240), (32, 584085460), (35, 534020992), (38, 491861440), (40, 467268368), (46, 406320320), (56, 333763120), (64, 292042730), (70, 267010496), (76, 245930720), (80, 233634184), (92, 203160160), (95, 196744576), (112, 166881560), (115, 162528128), (128, 146021365), (133, 140531840), (140, 133505248), (152, 122965360), (160, 116817092), (161, 116091520), (184, 101580080), (190, 98372288), (224, 83440780), (230, 81264064), (266, 70265920), (280, 66752624), (304, 61482680), (320, 58408546), (322, 58045760), (368, 50790040), (380, 49186144), (437, 42770560), (448, 41720390), (460, 40632032), (532, 35132960), (560, 33376312), (608, 30741340), (640, 29204273), (644, 29022880), (665, 28106368), (736, 25395020), (760, 24593072), (805, 23218304), (874, 21385280), (896, 20860195), (920, 20316016), (1064, 17566480), (1120, 16688156), (1216, 15370670), (1288, 14511440), (1330, 14053184), (1472, 12697510), (1520, 12296536), (1610, 11609152), (1748, 10692640), (1840, 10158008), (2128, 8783240), (2185, 8554112), (2240, 8344078), (2432, 7685335), (2576, 7255720), (2660, 7026592), (2944, 6348755), (3040, 6148268), (3059, 6110080), (3220, 5804576), (3496, 5346320), (3680, 5079004), (4256, 4391620), (4370, 4277056), (4480, 4172039), (5152, 3627860), (5320, 3513296), (6080, 3074134), (6118, 3055040), (6440, 2902288), (6992, 2673160), (7360, 2539502), (8512, 2195810), (8740, 2138528), (9547, 1957760), (10304, 1813930), (10640, 1756648), (12160, 1537067), (12236, 1527520), (12880, 1451144), (13984, 1336580), (14720, 1269751), (15295, 1222016), (17024, 1097905), (17480, 1069264), (19094, 978880), (20608, 906965), (21280, 878324), (24472, 763760), (25760, 725572), (27968, 668290), (30590, 611008), (34960, 534632), (38188, 489440), (42560, 439162), (47735, 391552), (48944, 381880), (51520, 362786), (55936, 334145), (61180, 305504), (66829, 279680), (69920, 267316), (76376, 244720), (85120, 219581), (95470, 195776), (97888, 190940), (103040, 181393), (122360, 152752), (133658, 139840)]