18630640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 55710720

約数和(自身を除く): 37080080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 80, 85, 95, 103, 112, 119, 133, 136, 140, 152, 170, 190, 206, 238, 266, 272, 280, 304, 323, 340, 380, 412, 476, 515, 532, 560, 595, 646, 665, 680, 721, 760, 824, 952, 1030, 1064, 1190, 1292, 1330, 1360, 1442, 1520, 1615, 1648, 1751, 1904, 1957, 2060, 2128, 2261, 2380, 2584, 2660, 2884, 3230, 3502, 3605, 3914, 4120, 4522, 4760, 5168, 5320, 5768, 6460, 7004, 7210, 7828, 8240, 8755, 9044, 9520, 9785, 10640, 11305, 11536, 12257, 12920, 13699, 14008, 14420, 15656, 17510, 18088, 19570, 22610, 24514, 25840, 27398, 28016, 28840, 31312, 33269, 35020, 36176, 39140, 45220, 49028, 54796, 57680, 61285, 66538, 68495, 70040, 78280, 90440, 98056, 109592, 122570, 133076, 136990, 140080, 156560, 166345, 180880, 196112, 219184, 232883, 245140, 266152, 273980, 332690, 465766, 490280, 532304, 547960, 665380, 931532, 980560, 1095920, 1164415, 1330760, 1863064, 2328830, 2661520, 3726128, 4657660, 9315320, 18630640]

約数ペア:

[(1, 18630640), (2, 9315320), (4, 4657660), (5, 3726128), (7, 2661520), (8, 2328830), (10, 1863064), (14, 1330760), (16, 1164415), (17, 1095920), (19, 980560), (20, 931532), (28, 665380), (34, 547960), (35, 532304), (38, 490280), (40, 465766), (56, 332690), (68, 273980), (70, 266152), (76, 245140), (80, 232883), (85, 219184), (95, 196112), (103, 180880), (112, 166345), (119, 156560), (133, 140080), (136, 136990), (140, 133076), (152, 122570), (170, 109592), (190, 98056), (206, 90440), (238, 78280), (266, 70040), (272, 68495), (280, 66538), (304, 61285), (323, 57680), (340, 54796), (380, 49028), (412, 45220), (476, 39140), (515, 36176), (532, 35020), (560, 33269), (595, 31312), (646, 28840), (665, 28016), (680, 27398), (721, 25840), (760, 24514), (824, 22610), (952, 19570), (1030, 18088), (1064, 17510), (1190, 15656), (1292, 14420), (1330, 14008), (1360, 13699), (1442, 12920), (1520, 12257), (1615, 11536), (1648, 11305), (1751, 10640), (1904, 9785), (1957, 9520), (2060, 9044), (2128, 8755), (2261, 8240), (2380, 7828), (2584, 7210), (2660, 7004), (2884, 6460), (3230, 5768), (3502, 5320), (3605, 5168), (3914, 4760), (4120, 4522)]