66511480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 184291200

約数和(自身を除く): 117779720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 89, 119, 136, 140, 157, 170, 178, 238, 280, 314, 340, 356, 445, 476, 595, 623, 628, 680, 712, 785, 890, 952, 1099, 1190, 1246, 1256, 1513, 1570, 1780, 2198, 2380, 2492, 2669, 3026, 3115, 3140, 3560, 4396, 4760, 4984, 5338, 5495, 6052, 6230, 6280, 7565, 8792, 10591, 10676, 10990, 12104, 12460, 13345, 13973, 15130, 18683, 21182, 21352, 21980, 24920, 26690, 27946, 30260, 37366, 42364, 43960, 52955, 53380, 55892, 60520, 69865, 74732, 84728, 93415, 97811, 105910, 106760, 111784, 139730, 149464, 186830, 195622, 211820, 237541, 279460, 373660, 391244, 423640, 475082, 489055, 558920, 747320, 782488, 950164, 978110, 1187705, 1662787, 1900328, 1956220, 2375410, 3325574, 3912440, 4750820, 6651148, 8313935, 9501640, 13302296, 16627870, 33255740, 66511480]

約数ペア:

[(1, 66511480), (2, 33255740), (4, 16627870), (5, 13302296), (7, 9501640), (8, 8313935), (10, 6651148), (14, 4750820), (17, 3912440), (20, 3325574), (28, 2375410), (34, 1956220), (35, 1900328), (40, 1662787), (56, 1187705), (68, 978110), (70, 950164), (85, 782488), (89, 747320), (119, 558920), (136, 489055), (140, 475082), (157, 423640), (170, 391244), (178, 373660), (238, 279460), (280, 237541), (314, 211820), (340, 195622), (356, 186830), (445, 149464), (476, 139730), (595, 111784), (623, 106760), (628, 105910), (680, 97811), (712, 93415), (785, 84728), (890, 74732), (952, 69865), (1099, 60520), (1190, 55892), (1246, 53380), (1256, 52955), (1513, 43960), (1570, 42364), (1780, 37366), (2198, 30260), (2380, 27946), (2492, 26690), (2669, 24920), (3026, 21980), (3115, 21352), (3140, 21182), (3560, 18683), (4396, 15130), (4760, 13973), (4984, 13345), (5338, 12460), (5495, 12104), (6052, 10990), (6230, 10676), (6280, 10591), (7565, 8792)]